Bmw bad disa valve When my new DISA Valve came in I was super excited. At 200K check the diaphragm, if bad, new Genuine BMW DISA. The new DISA stays open and does not close at start up, just like the existing DISA I replaced. 2 inches? Check your DISA valve if your car has any rattling from the engine bay. 00 to a current retail price of over $400. Oct 8, 2018 · The kit is priced at approximately 1/3 the retail cost of a new DISA valve from a BMW dealer. Just wanted to say thank you for that tip. Mar 1, 2010 · The car is a 2003 X5 w/ 3. Aug 11, 2014 · Faults 2820, 2821 are for the DISA valve flap. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm An OEM BMW DISA valve will have one of the following part numbers on the main body of the unit – 7544806 or 7502269 for 2. Another good way to know if the DISA valve seal is any good is, once you got it out if it slides right back in and out with basically no effort then its probably shot. Oct 12, 2010 · I cleared codes after replacing DISA valve, and within 2 weeks the lean codes returned. Nov 30, 2017 · There are different length DISA units. png Views: 21427 Size: 121. I checked all the wiring and connector to the DISA Mar 5, 2013 · You dont NEED the disa, however it improves power delivery, throttle response, and fuel economy. (causes stalls or does not idle at all) Do not use WD40 to clean or lube it! Sep 27, 2010 · Would a bad disa valve cause my engine to stall on start up. Feb 25, 2017 · . Nov 12, 2014 · Hi everyone! My name is Fernando and I live in Montevideo, Uruguay. Does this point singularly to the CCV system needing replacement? Or could it be something else such as bad DISA valve? Or multiple issues? 2 years ago @ 137k, BMW dealer 'installed new air boot at throttle' to resolve mixture too lean fault codes. If the valve on your DISA works but you’re Oct 20, 2022 · Which BMW Engines Use a DISA Valve? If you drive a BMW E36 or E46 3-Series, E39 or E60 5-Series, or one of the ‘X’ models produced between 1996 and 2006, it likely features a DISA valve. Repair the valve using the G. Sep 18, 2018 · In this Tech Minute, Jason Stahl explains how a failing DISA Valve on a BMW can throw various codes and what the replacement options are. When they fail, the DISA valve bangs around in its housing, making a rattling noise accompanied by rough idle and off-idle hesitation. 0l engine has a longer DISA. DISA valve controls the variable length intake manifold. The 330 or 3. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Nov 8, 2013 · Idle got worse, but still wasn't as terrible as I expected. 2 l/100 Km) around town. My Car is perfect for the moment but I know is recommended to change the DISA valve at the 60k miles and of course I want to prevent a big problem When they fail, the DISA valve bangs around in its housing, making a rattling noise accompanied by rough idle and off-idle hesitation. Here's a DISA valve that was replaced on a 116,000 2003 330Ci. I did think about doing the O ring, but my daughter is taking this car for 5 months out of state and with 129K on the odometer, i figured i should just replace it at this point. 4) Unplug the wiring connector. 2. I will reinstall BMW DISA with GAS O ring. Getting a new one replaced todayjust wondering if my starting problems is from something else Jan 19, 2005 · The disa valve has an outer seal (inside the manifold) and a diaphragm inside the valve itself. i'm in the process of also replacing the inner DISA valve. So after replacing the DISA valve I thought all was good, but I still have the same issue. DISA valves control intake manifold runner length to improve engine performance at different rpm. On a race car build a lot of people will delete the DISA and VANOS, because when you are on a track if you are below 3. I think it's the seal. It's a flap in the intake manifold (intake manifold solenoid valve) to vary the length of the intake runners and tune performance at different engine speeds. But what's its purpose in the intake sys Jan 8, 2008 · 1999 BMW 1. 0L (manual transmission) Check engine light is one, runs and idles rough periodically (RPMS will surge at idle). Part numbers match on RealOEM by my VIN, and they've been working great so far, so I can confirm it is compatible and a good fit Jun 18, 2014 · - bad coil(s) - bad spark plug(s) - bad/dirty MAF - A/C compressor or recharge needed - CCV - too much oil - vacuum leak - clogged filters - bad gasoline - bad fuel delivery - DISA valves Things I did: - Cleaned MAF - Changed oil and all filters - Reset adaptations (local San Diego Indy) - Replaced Vanos solenoids (BMW strealership) Feb 28, 2008 · Vishmutzy ***8211; Don***8217;t spring for a DISA valve, yet. Jan 16, 2012 · yea, I drove her in this morningthe acceleration is smoother with much more power. If not, it is stuck. S. I ended up with 2 new ones when I put a new DISA valve in a BMW I used to own. DISA repair kit is a $330. But after driving about 20 minutes, the P0171, P0174, and P1083 codes came back. To repair the intake boot we glued it with rubber cement. For those who do not, the DISA valve is on the M54 engine, and others, and modulates the air stream into the engine manifold. I started noticing a high-pitched whine coming from the DISA valve. I did a smoke test and saw the DISA valve leaking. So, I should of mentioned that the car did throw codes P0171& P0174. The broken flap made it sound really bad, but it is easy to replace. I see the problem quite frequently in my shop. First featured in the E39 5-series in 1995, the DISA valve survived until the retirement of the M54 engine in 2006. A second sacrificial DISA Valve would have made this procedure quite quick. Nov 29, 2011 · The pic is a picture of a brand new DISA valve. Check the fuel pressure with an eBay gauge on the Schrader valve on the fuel rail, it should read 3. DISA "print-o-seal" I read a post by jfoj that he replaces the molded in seal with an o-ring. Easily $6,000 savings vs dealer. Jun 10, 2022 · Symptoms, Problems, and Repairs for the Failing BMW DISA Valve. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Bimmerforums is the preferred online BMW Forum and community for BMW owners. Upgrade your DISA valve per this link: germanautosolutions com/buy_m54_disa_repair_kit. I'm getting lean codes. Now, i'm kinda afraid about losing the little pin that goes through the frame around the valve and into the valve itself down into the inlet manifold when removing the DISA-valve. The BMW Differentiated Intake System, known as DISA (from the german “DIfferenzierte Sauganlage”, means differential air intake), optimizes the engine’s running under partial and full load as it adjusts the Feb 3, 2011 · An ingenious proposal for testing the DISA valve is in this thread today: - DISA Activation Fail The mechanic proposed placing a white dot in the location shown below; then at the proper RPM, the dot should 'move' one way, and then at the next RPM cut point, it should move the other way (the theory goes). BMW 2001 530i (E39) Sep 25, 2019 · HOW TO KNOW IF DISA VALVE IS BAD BMW E46 E39 E60 E83 Z3 Z4 E65If you have BMW and you are trying to see if you have bad DISA valve in this video we will expl Dec 31, 2022 · I tested the DISA and observed it did not close at engine start up, so I thought I had a bad DISA valve. The valve will be closed at low RPMs, making the air journey longer to cylinders. Oct 25, 2013 · Pardon the partial thread-jacking, but I have an issue with my Disa valve. Mine gave up the ghost around 71,000 miles, give or take, although it's worth noting that the car was 13 years old at that time. After pushing the lever pull up on the harness and it will Feb 5, 2014 · So I knew why the valve failed. The butt dyno never lies. At the top of the valve is the cam assembly, nylon. 0L engines is 11-61-7-544-805 For 2. The valve is a flap which opens and closes and the failure can be hard to determine. Dec 12, 2010 · I cant hear much, BUT the way to check if you have a bad DISA is this: Remember we are looking for rattling noise -Start the engine-Open the hood-Listen for noises -Unplug the DISA (connector clip in the disa itself)-If the rattling noise goes away then its the DISA Misfire with low fuel level could indicate a fuel pump going bad. E46 Forums. When the valve fails, the flap can leak engine vacuum if the seal or diaphragm fail. A bad DISA valve seal will be flat and flush with both black edges. I used a mechanic's stethoscope and pinpointed the source of the high-pitched whine coming from the DISA valve. There seems to be a rattling coming from the intake. Jul 1, 2016 · Now the DISA valve can come out of the intake manifold unubstructed. Mar 25, 2015 · Bad DISA valve removed. Properly check and clean your Idle Control Valve (ICV). I remove and check the vacum, flap and everything is ok. My recommendation: 1. No ista/inpa Feb 6, 2008 · It's called the dual resonance intake system in English (DISA is the German acronym). So after about a week driving the car to work, their was no issues with car. The only issues I have are quite an aggressive jerk (stutter) under load from 1250-1750rpm and quite a lumpy ho Aug 2, 2021 · THE BMW DISA VALVE on your E46 with the M54 engine plays an important role in creating performance and fuel economy. From other posts I have seen this is likely due to leak valve stem seals but I was wanting to do a compression and leak down test. Overall the engine performs brilliantly; to me it feels like the car is producing good power and seems to be returning MPG I would expect. Come join the discussion about M performance, turbo In this video I explain how to use INPA to test DISA valves on my 330i 2006. I know the system on the E70 30i is a bit different, but I'm getting a similar symptom to the one I recall with my mpg gage on the E53 - when coasting the needle would go to max mpg but not always. Often aftermarket only has the more popular 320/325 2. May 23, 2015 · The DISA varies the length of the intake runners. and for anyone else out there with the same auto, i am going to try and get to that inner DISA by removing the Alternator - i've read this is an alternative to removing the Intake Manifold to get at the DISA. Apr 22, 2011 · I've read many posts in the past on how to tell if yours is bad and how to replace, but I thought I might share a little info that will help with vacuum leak diagnostics when the ccv is in fact good. So why re-design? Oct 15, 2010 · The DISA valve, otherwise known as the “Intake Manifold Adjuster Unit”, is located on the side of the intake manifold and is a common failure on the M54 BMW engines. Current BMW fans are showing the B58 engines alot of love and praise. png Views: 23616 Size: 108. However, the fuel trim levels were reduced by nearly half. Cold and warm. replaced the old one. Thanks. Should be plenty of youtube videos to check the function of it and what the symptoms of a bad DISA. kit 3. 8 KB ID: 269038 Click image for larger version Name: disa_operation_c. The design seems even less robust than the failure prone M54 versions. Remove DISA valve and check plastic flap for operation ; Replace the DISA valve o ring ; Replace the DISA valve if necessary ; Check the "valve cover gaskets (VCG) Spray carburetor cleaner on while engine is running ; If idle improves, replace VCG Nov 19, 2017 · After chasing misfire and lean codes, and installing an air pump I did not need, I finally located and fixed my issue. The DISA valve will usually just last 70,000-100,000 miles. I shot this quick video on how I tested mine. JPG. 0i. well, also my air filfter was junk. Would that disa valve cause the check engine light to illuminate? And cause this car to act run funny if the seal is messed up. This allows for more torque at low engine speeds, and higher horsepower at high rpms. I just went throught this on a 330i. Replaced O ring with GAS o ring. At low rpms the runners need to be longer than they need to be at higher rpms. BMW engineering has made progress and moved on from DISA since M and N engines. The butterfly then springs open. In this Tech Minute, Jason Stahl explains how a failing DISA Valve on a BMW can throw various codes and what the replacement options are. The bellowing noise you hear upon engine shut-down may be due to a defective CCV; aka, cyclone valve, oil separator valve, or PCV valve. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Feb 27, 2022 · I ordered the German Auto Solutions DISA valve repair and upgrade kit. With a dremel it would be effortless to get the two pieces you need. Jul 29, 2021 · Hi all, New here; looking for some advice on some issues I'm experiencing with my 130i LE. Jan 31, 2009 · It would be nice for those of you who replace your DISA, to confirm the new information we're finding about the DISA 12-volt magnetic solenoid and the 1/16" hole that allows vacuum to accumulate to open the flap when the 12 volts uncovers the one-way check valve. Apr 2, 2011 · For the record, here's a pic of a bad DISA valve today: - > E39 (1997 - 2003) > More trouble codes The DISA "Gold Valve" is a brand new OEM BMW DISA valve (intake Jan 7, 2018 · What I can say is after fixing the vacuum pot, I can feel when the DISA valve opens when accelerating heavily. And, as another person already said - replace the cam sensor. At 100K, rebuild using G. I am deciding between the following options based on what I have seen with other users on the forum and time/cost: 1. The metal pin works out and enters the intake manifold and on to a piston, if you are unlucky, engine damage. Hope the info I am giving you helpful. Replace just the DISA o-ring 2. I do have a rough measurements, but would like to confirm if any one of you know the exact size of the DISA O-ring Is the internal diameter 2. The valve is responsible for controlling air as it moves through the intake, resulting in improved performance. Underneath the tube bracket another 10 mm nut ( double threads to secure disa and distinct top right only) then remove the other 2 10mm bolts in position as arrowed above. May 7, 2022 · hello everyone, sorry for my bad english. Sep 20, 2009 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. 2-2. If you do have to replace the whole thing, buy an already-upgraded "Gold" valve from G. Dec 18, 2011 · The DISA valve from my vehicle is the original with 120,000 miles on it, and even though the plastic bell crank lever and plastic flapper valve were completely worn out and starting to fracture, the main frame ass'y, vacuum pot, inner support bushing, outer support bushing and bell crank seal are all in perfect condition. After a compression test where all of the cylinders were relatively close in spec, a leak-down test provided conflicting results. to/2dQdCPaGET CLEANER FOR YOUR DISA: http://amzn. Jan 27, 2020 · The very first thing you should do is figure out what type of DISA valve you have. Jun 24, 2020 · Previous 2 DISA were both BMW parts. 1 KB Apr 28, 2007 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Mar 26, 2016 · From what I recall the disa valve is a flap that controls the quantity of air entering the inlet manifold before it is mixed with the fuel depending on speed/airflow etc. Apr 11, 2022 · Stethoscope did help and the tapping is louder at the large (front) DISA valve. The ccv valve used in bmw engines works very differently than almost any other design. BMW E30 Parts; BMW E30 M3 Parts May 3, 2023 · The intake manifold had a bad DISA valve, but after replacing that, the engine still lacked the punch it used to have. ' Sep 27, 2008 · Those are the symptoms of a bad DISA. 1/2. I do suggest fixing this valve. The G. 8 Z3 2003 BMW 2. BMW DISA with GAS oring passes the DISA vacuum test. Oct 11, 2011 · - Where to get a proper DISA valve repair kit & how some jury-rig 'repair' a rattling DISA unit & how the DISA valve operates & how to test DISA operation & a simple DIY to install an M54 DISA & a nice DISA autopsy & a great DISA group buy & how the disa valve o-ring fails & how it can reputedly cause all sorts of cold-engine rough idle Nov 3, 2020 · My E85 N52 2007 is almost 100k kms (61k miles) and I am worried reading a lot of DISA threads. I've seen some oily DISA valves on videos, curious also what would be a good cleaner for it if mine is oily as well. In some cases, parts of the DISA--including a metal spreader pin--can be sucked into your engine, causing serious engine damage. This deenergises the coil which stops the manifold vacuum from reaching the diaphragm. At Bimmerforums, you will find technical how-to information maintenance specifics audio advice wheel and tire combinations and model specific details not found anywhere else. 1 bar when the engine is off) - especially with very low fuel level. DISA Upkeep & Replacement Options. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Aug 10, 2009 · Not knowing what a DISA valve was, I was surprised to learn that was bad, and the valve cover had a crack and was sucking in air and the PCV valve was bad! Cascade of failures. This video is about repairing the DISA valve on a BMW M54 engine but can be used as a reference for other engines. 3 KB ID: 269039 Click image for larger version Name: disa_operation_d. So i have this 2007 bmw 328xi e92. Sep 16, 2013 · Decided to change the disa valve on my 80k miles e85 3. The part number for 3. These valves open and close depending on the RPM and Throttle to get better fu Feb 11, 2016 · Commuter (mine): 2015 BMW X5 35d; 2021 RAM 1500 Commuter (wife): TBD, X1 totaled BMWCCA Member # 447308 Aug 30, 2020 · Please check your big disa valve, had the same buzzing noise after engine shutdown especially after ’spirited driving’ and it was the disa valve that was shot. It was definitely just a few screws and a connector to get it out and it was easily accessible. swapped that out also yesterday. 5l DISA available. 114 valves are not equipped with a metal shaft from the factory, as a matter of fact no disa valve made for the 3 stage manifold did at all. I am replacing my front struts on my MB Sprinter van today, and I had the choice of after markets for $90/pr or Bilstein for $100/ea and I confess I went for the Bilsteins, though I was shocked (no pun) I could install each side in 30 minutes flat. They were also prone to the same failure but BMW released a repair kit for the valve and it was a simple fix to replace the valve. Sep 10, 2018 · In this Tech Minute, Jason Stahl explains how a failing DISA Valve on a BMW can throw various codes and what the replacement options are. to/2dwxCDVGET A DISA VALVE: http://amzn. Mar 17, 2011 · Next day it was still there - accompanied by the SES light. You can search the forums and find quite a lot of info. Apr 26, 2012 · If you own a 2007 or older BMW, chances are you’re going to hear the term “DISA Valve” at some point in your car’s life. I'm going to make sure I tilt it up while removing it just in case the pin is loose. I've been reading here and I really don't know what to do since I may have here the Vaico DISA for something like $ 250 vs the BMW original part for $ 660! due to import taxes on parts over $ 200. Nov 26, 2010 · The vacuum system test uncovered a torn intake boot and a bad seal at the DISA. Oct 14, 2016 · I've wondered about this after replacing the DISA valve on my E53 3. It was eventually retired in 2006 when the M54 engine was discontinued. Of the disabove, but can the disa valve cause the check engine light? Feb 15, 2013 · For BMW DISA Valve Repair Kit Rebuild Rattle Aluminium Fix Overhaul M54 2. Nov 15, 2019 · A bad coil or DISA valve takes minutes to replace. Video courtesy ImportCar. Differenzierte Sauganlage and due to the fact that German’s can’t pronounce this either, BMW simply took the very first 2 letters from each word and called this the DISA Valve. BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > N52 Disa Valve Testing at home outside the car. Buy a completely new DISA valve from FCP Euro Mar 24, 2023 · What is a DISA valve? The DISA valve directs the airflow via the intake system and into the car engine. Car details: 2008 BMW 128i, 3 Stage intake manifold installed and tuned with the 130i Bimmerlabs conversion tune. BMW has increased the price of the OEM DISA Valve from the original price of $239. 5 | eBay Save Share Reply Quote Like Aug 4, 2015 · The DISA does however respond to any other 13V that is applied. Plenty of other videos showed removal and basic vacuum test, here I show electrically testing it's movement w Sep 22, 2018 · The DISA valve is a component situated in many BMW intake manifolds, and is vital to the smooth operation of the engine. The DISA is vacuum driven from intake manifold vacuum and electronically controlled. 0L M54) 325i 325Ci (2. If your BMW experiences these symptoms, don't wait to fix it. ImportCar Magazine: Aug 15, 2021 · This article gives detailed instructions on replacing the DISA valves in a BMW vehicle with the N52 6 cylinder engine. P0171 and P0174. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Apr 7, 2021 · Not sure if the DISA goes bad more in the 100k+ mile territory. When I removed the old one it was very clear this was a good call,the rubber seals were well worn,but the main issue was the spring loaded flap it was all flap and no spring,it showed no resistence at all and when pushed with my finger would stay in the position i placed it in. Aug 18, 2014 · Typing /vacuum f3 in the bestlinks nets this: - Poolman's canonical thread on battling vacuum leaks on the BMW I6 with lean-condition misfire DTCs & where to find all the vacuum hoses, tubes, pipes, and endcaps in the E39 engine bay & where are all the fuel injection o-rings & how to locate all the o-rings and gaskets & where in the USA to get new vacuum tubing & end caps & what SAE sizes to Listen on the m54b30 vacuum and oil leaks as well as ignition coils spark plugs o2 sensors and leaky intake boots are reasons for rough idles, firstly I'd check codes but for me I've replaced my intake boots MAF sensor and rebuilt my disa valve which gave me decent performance gains, now to solve my rough idle im going to do the VANOS seals, new gaskets everywhere and clean the Idle control Sep 9, 2010 · This shortens or extends the intake manifold length depending on RPM. Apr 25, 2019 · Fixed so far with help from here- plugs, coils, actuator gear, changed transfer case and diff fluid, replaced coolant reservoir/hoses, fixed pano roof, replaced windshield molding, replaced one/cleaned vanos solenoids, aux fan, VC, DISA, upgraded rotors and pads and numerous other little things like changing oil, cabin filter etc. Two valves are closed in the first stage, one opens in the second, and both open in the third. May 14, 2014 · Name: disa_operation_a. Mar 12, 2010 · DIY: One way to check if your DISA valve is going bad I was reading a couple threads in which members were asking how to check to see if the DISA valve was the cause of the tapping noise heard in the engine bay. But when I pulled my factory BMW DISA valve from the car and tested the vacuum pot (as described here in steps 3&4: GAS instructions), my valve seems to have failed and opened completely instead of halfway. I call it a DISA valve actuator unit. This is what the seal looks like new. Jan 29, 2023 · DISA won't throw a code, but the potential vacuum leak from the seal will. Please, get it done before your engine ingested broken parts from the bad disa valve or else your engine will go kaput. so thats where the circuit ended up shorting! so happens i had a purge valve spare in my boot that i got from the breakers back in the uk. I recently buy a bmw e39 525i with m54b25 engine. It was cheap, and restores function to your DISA Valve. Aug 15, 2023 · If you have a 3 stage intake on a BMW N52 engine, then you have 2 DISA valves. The failure is caused by the type of materials used in the manufacture of two of the three key valve components. The Differenzierte Sauganlage (DISA) valve was first included with BMW vehicles in 1995. For those who already know this, it is a reminder. Jan 16, 2020 · Some people mistake the 114 being the latest revision valve for having a metal shaft. Jun 8, 2021 · Disa valve Cleaned idle control valve Fuel filter Spark plugs All Injectors All coil packs Symptoms are rough idle after initial start up. Feb 8, 2020 · In an effort to improve performance, BMW released the DISA valve in 1995. The kit includes all parts and hardware, plus a new main DISA housing O-ring seal, proper spec'ed tube of threadlock compound, tube of synthetic grease, cotton swab applicators & a length safety Apr 2, 2011 · Check the DISA valve for midrange operation. Some months ago I started a thread to hunt for this noise: Noise Thread . We carry this item under the parts number 11617504543. XBimmers | BMW X3 Forum • BMW X3 and X4 Forums | F25 (2011 - 2017) | F26 (2014 - 2017) • Second Generation BMW X3 (F25) General Forum • DISA Valve Replacement Google Search Search Forums Jul 28, 2013 · Hi Guys, I had an old O-Ring sitting around and was cleaning my DISA Valve on my M54B25 and for some reason, I decided to cut off the old seal and put the O-Ring I had, which was tight. Top. Update: Below you will find two more videos on how I inspected and rebuilt the DISA. 5L M56): Intake Manifolds - Amazon. Runs better for short time after clearing codes the bad at check engine light activation. Mar 10, 2015 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. As this is not my first bad experience with this car, I immediately took it down to my independent BMW service shop to get it sorted out. When we removed the DISA vlave to repair the vacuum leak we discovered that the hinge pin was broken. Brought to you by Intermotor Genuine Import Parts. 441. 08. The P0300, P1344, and P1347 codes went away after I reset with the OBD tool. The BMW DISA valve was first introduced in the later iterations of the BMW M42 engine. Retail price as of 02/09 is $212. I'm thinking about checking out the DISA-valve on my 528i because it's getting ludicrous gas mileage (14. DISA stands for the German "Differenzierte Sauganlage" which basically means Differentiated Intake, and the valve for it is often called (at least in our catalog) an Intake Manifold Adjusting Unit. The 3 stage DISA is exclusive to the OL N52, which is found in the 330i. Replaced the vanos check valves and chain tensioner. For example, the M52 engine features a DISA valve where you can buy the O-ring as a spare part. fired her up, and the car actually seems to have a bit more grunt! however the DISA valve will still not open! Dec 13, 2023 · A faulty DISA valve can cause a number of problems for your BMW E60 with a M54 6-cylinder engine, everything from a check engine light, rattling sounds from the engine to a rough idle. I checked today the disa valve and they stuck in open position. S kit. png Views: 21956 Size: 111. 2 KB Views: 1,026. kit. Glad I was able to help! just make sure you get all the old gasket outand make sure and lube the new one after you get it on the Aug 26, 2014 · I have been approached about making a DISA valve repair and upgrade kit for the N52 engines similar to the very popular kit we make for the M54 engines. I tested it about 10 times and maybe 2/10 times it opened the Oct 16, 2011 · [/LIST]TEST: DISA 12 VOLT HARNESS SIGNAL TEST: With the engine off, remove the DISA harness connector; Connect your voltmeter to the harness connector terminals. When the engine is on idle with disa mounted i pull the plastic with finger to close the valve and its was close. Jan 22, 2011 · Just for the record, here's a thread where the DISA valve disintegration is a bad thing! 2002 530i, known bad waterpump, possible overheating; The DISA valve variable intake vane broke off into the intake manifold and the plate shaft apparently sailed through cylinder #3 before disintegrating inside cylinder #3 Sep 11, 2018 · Buy Intake Manifold Disa Valve 11617544805 Compatible For BMW E46 E53 E60 E83 E85 X3 X5 Z3 Z4 330i 330Ci 330xi 530i (3. The older E46 chassis also used these DISA valves, however a different design. After examining a disassembled N52 DISA I can tell you that BMW learned nothing from rash of failures seen on the M54 DISA's. It came into broader use aboard the BMW E39 5-Series in 1995 and Sep 27, 2008 · BMW parts catalog calls it an Adjuster Unit. BMW had it for some warranty work and told us that the DISA is the problem. Customer: I have a 2003 BMW 745Li that has recently started using a quart of oil every 3 weeks or so and occasionally throwing 2820,2821,2760 and 2761 fault codes. Repeat the cycle every 100K Nov 7, 2024 · The DISA is also known to break (the pin breaks) and it implodes into the intake and that is a very bad thing. and folks who have a k&n can over oil them on the reclean, and the extra oil can mess up the maf, so the maf may not be bad. . Tischer's price is quite good at $179. 50. E46 General BMW E46 330i/ci/xi DISA Valve DISA valves control the intake manifold runner length to improve engine performance at different rpms. Maybe like a misfire. This is mounted on the rear of the intake, it's an actuator that turns a drum in the intake manifold which effectively changes intake runner length based on engine speed. Jun 29, 2010 · Don't have any personal DISA valve experience, but I see the list price is $224, and most online places only discount it less than 10% to around $199. N52 has a Disa valve, right? 330 is known as a three-stage manifold. To repair the leak at the DISA valve we placed a thin coating of RTV on the 'O' ring. . 00. The flap is moved by a shaft which goes through the center of the flap and is hexagon in shape. Mar 14, 2011 · I didn't know about the 'white point' trick; but we have reasonably well characterized how the DISA operates over in these threads: - DISA VALVE FLAP BREAKS: the DIfferenzierte SAuganlage ("Differential Air Intake") valve flap breaks (), sometimes with parts sucked into the intake manifold () () () () or the disa valve o-ring fails () & where to get just the DISA valve o-ring & how the DISA Dec 6, 2014 · bad DISA valve cause misfire? A forum community dedicated to BMW E46, E90, and F30 owners and enthusiasts. I smoke the car. This one has the n51 engine so there are two disa valves. Evap purge valve connector won't reach DISA so that mixup is very unlikely. Mind boggling Aug 4, 2015 · However the purge valve threw up a code saying circuit has been shorted. Would its most probable cause be i was lied to on purchase and got a unit with bad DISA valves and should I look into replacing or rebuilding? Thank you. 5L engines it is 11-61-7-544-806 I don't know the exact difference between the two part numbers. 00 or more savings over the cost of a new BMW replacement DISA Valve. 5L versions, or 7544805 or 7502275 for 3 Oct 6, 2016 · DISA VALVE REPAIR KIT: http://amzn. Just replaced mine this week. You can find the wiring towards the back of the DISA valve. Feb 14, 2003 · The m54 DISA has metal pin that secures the plastic flapper valve at the base. I drive a 2002 330 Ci and apparently my DISA valve died. Before DISA replacement = fuel trim ~14% After DISA replacement = fuel trim ~8% I'm gonna remove my intake boot and take a closer look to see if it's the cause of the problem, but on first glance and feel it's still in great shape. 5 Z4 1998 Honda Deauville NT650V. This is important because you may just need a simple O-ring. He told me they usually don't see these things fail like this, but as posted before, the motor failures, or seal failures. At high RPM, it opens, resulting in a shorter route. Generic codes are P1419 P0301 P0305 P0300 I've checked all typical vacuum leak spots. I drove 600 miles over the weekend with an avg of 25. 0/2. Now turn off the car, disconnect the DISA and start the car again. Even though we used a 2006 530xi to perform this repair, this article can be applied to any vehicle with the N52 engine including most 2004-2013 1, 3, 5, 6, 7, X1, X3, X5, and Z4 series 6 cylinder models with minor modifications to the repair steps. ECS Tuning has the OE BMW valve for ~$190. It's not an air leak type of whine, but more of the mechanical-electrical quality of whine. Place a red insulated wire in the positive terminal of the DISA harness connector; Place a black insulated wire in the negative terminal of the DISA harness connector. 5 mpg, Maybe my gasket being wacky casued that. The valve utilizes a flap that can open and close to adjust the route length of air to the cylinder chamber. com FREE DELIVERY possible on eligible purchases Oct 16, 2011 · The old DISA valve came out easily, and the new DISA valve was a bit tight, just that nice snug feeling of new parts. 5k RPM your doing something wrong. Omooba I spoke with the parts guy at BMW about it, and BMW has improved the design over the E46 ones, which used a metal clip to hold the valve in. Observe results. Jun 29, 2022 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. A bad ball joint not so much. and would it cause the car to not start right away. To diagnose the problem, simply check if the rattle is gone when the DISA is disconnected. If you put your index finger behind it (on the engine side) you will feel a metal bar that you can push down on to release. I reduced the smoke machine and I got a leak at the disabove. png Views: 23033 Size: 129. The idea is to take advantage of air flow dynamics with the intake and cylinder head. that maintains and releases vac/pressure together with the one way valve on the back of the DISA Jun 27, 2019 · As long as the vacuum solenoid on your DISA is sound, rebuilding is the way to go. So it seems that the 13V that the DISA circuit supplies is somehow "inferior". If you get lean codes, misfires, at cold start up a little of a choppy idle but THAT bad, maybe a slight lack of acceleration, but not that badplugs and coils are goodcheck the DISA valve gasket! (sorry, dont have pics) Also, I bought big disa because my 2006 325i is euro spec (air box and intake manifold), so I have both small and big disa. But the motor is 100% functional. Dug out the molded seal replaced with a fluoroelastomer o-ring. I plan on replacing it but am wondering if a bad DISA valve could cause the motor to run and idle rough? Apr 11, 2023 · A faulty DISA (resonance valve) valve can cause a number of problems for your BMW X3 with a M54 6-cylinder engine; everything from a check engine light, rattling sounds from the engine, to a rough idle. Jan 15, 2014 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. Bad Disa Valve symptoms. Bottom line: DISA responds to any 13V except the 13V that the DISA circuit provides. The valve is constantly fed 12 volts during normal throttle operation and then open circuits on higher RPM and throttle opening. Jun 10, 2022 · Eventually, the DISA valve works at high and low RPM’s. 2 2. Pulled the DISA, and everything about it was great except the molded "non-servicable" O-ring was flat as a pancake. May 2, 2023 · This part is listed by BMW as BMW part number 11611438404 (11 61 1 438 404) and is described as Intake Manifold Adjuster Unit (Disa Valve) for the E36 318i 318is 318ti (1996-1999) and Z3 1. Dec 2, 2012 · 1. Jun 15, 2020 · For thread information to remove disa valve on a M44 first remove 10mm nut ( top right ) this will alow the dipstick tube to be moved just out the way. But it isn’t very efficient at mid-range RPM’s. 1 KB ID: 269037 Click image for larger version Name: disa_operation_b. I was having the error code 2AAC and the upper DISA (valve 2) was making loud no Jun 15, 2017 · Introduction: Part Numbers: ES#2763045, ES#2763043, ES#25793, ES#2580544 When the DISA Valve on your M54 powered BMW fails it can cause a number of issues: • A loud noise in the engine Nov 21, 2010 · also a disa valve were added after 8/98, so the early e39 don't have them. Remember, a new stock DISA can still fail prematurely. 5 US mpg/16. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm Mar 17, 2011 · Next day it was still there - accompanied by the SES light. First, open the hood and listen to the engine running. Repairing your DISA is a great way to rest Testing the DISA valve on my 2004 BMW 325I M54. Sep 18, 2017 · Feeling confidant that the pin was somewhere other than my engine/manifold, I put everything back together. the flap was broken. I convinced myself that maybe the previous owner knew about the bad DISA found the pin, then placed the flap in. Jul 4, 2020 · - As long as the vacuum diaphragm of the DISA is OK, then you can rebuild using G. Having said that, the current part number for the DISA valve is the 3rd revision Jun 2, 2013 · Dracimus, i have a 2007 530xi E60 N52. Mar 23, 2022 · Hello, everybody. The valve should flap around when you shake it with a twisting of your wrist. It's literally two T-40 bolts and 15 minutes. BMW N52 / N53 How To Test If You’re Disa Valves Have Failed !! Add Me On Instagram @BMWDoctorOfficialGo to My Spotify Playlist which has all intro songs used Apr 23, 2021 · To my knowledge, DISA is original at 95k miles, but no signs of rattle thus far. 9 M44. The DISA valves direct the flow or air inside the intake manifold to dynamically effect runner length over the entire RPM range. Crappy acceleration. Jul 6, 2023 · Bad Disa Valve symptoms. A. See also Where is the fuel pump relay on a 2005 BMW X5? Jan 9, 2014 · - Where to get a proper DISA valve repair kit & how some jury-rig 'repair' a rattling DISA unit & how the DISA valve operates & how to test DISA operation & a simple DIY to install an M54 DISA & a nice DISA autopsy & a great DISA group buy & how the disa valve o-ring fails & how it can reputedly cause all sorts of cold-engine rough idle May 14, 2010 · Bimmerforums is the preferred online BMW Forum and community for BMW owners. php 2. I recently installed a new OE DISA and was curious plus having some free time I removed it only to find seepage from that original seal. This morning the mechanic told me that it was a bad DISA Valve - easy enough to replace. I never heard of valve covers cracking before, so I was surprised to see others had them crack too. It is responsible for air control as it comes into the intake, creating performance improvements by controlling airflow through the engine system. It has a two-year warranty and is a brand-new Genuine BMW DISA valve for the E82, E90, E92, X3, and Z4. Only metal option is the rebuild kits by Vanos BMW. 0,more preventavive than having a problem. you also have engine temp sensor, that monitors the temp of the motor, you have two one that goes to the guage and on to the ecu. 5bar at all times (dropping off max. BMW discontinued the DISA valve around 2012 in favor for a more complicated intake system which incorporated a 2nd intake “circuit”. to/2dQe3ZITHAT T40 Bit: http://am Jun 2, 2009 · The DISA is a valve that regulates the amount of air that goes in the intake manifold. wjadopwp zxms pedf esdphx itvxb yklspak sgzk tfzn khbmd vhyzd