Disa valve diaphragm. keep the diaphragm and the cap. 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. I am not sure DISA BMW repair kit 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 and M52TU BMW engines. Are there any brands to avoid? It looks like many out there to choose from. DISA Valve Membrane Replacement BMW E36 M43 motoren works 7. The DISA valve (short for *DIaphragm and Spring-actuated Auxiliary*) is a specialized component found in the intake manifold of many BMW engines. 2K views 6 replies 5 participants last post by GoForthFast Aug 18, 2016 I At speeds below 3750 RPM, the solenoid valve is energized (with alternator voltage at the harness connector) and vacuum supplied from an accumulator closes the resonance flap (where the vacuum accumulator is apparently a one-way flap valve with a 1/16" entrance hole in the side of the DISA) . E46 disa valve Hey all Wondering if anyone can shine in some ideas about the diaphragm on the disa valve creating a lean code on bank one , my current disa valve is a 178000 miles, oring i just put on and entire pcv is within 3 years old and smoke tested entire system about 5 times now fixed every single intake leak. ENGINES: M52TU M54 M56. One of many items available from our Motor Vehicle Engine Parts department here at Fruugo! 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. It will be better than a new one. 5 liter M54 'Rein brand' DISA valves ONLY!It does NOT fit OEM BMW DISA Valves or any other aftermarket brand!The 3. Oct 11, 2015 · The most common failure of the disa system in vehicles occurs when the vacuum valve diaphragm, which controls the flap, tears. These valves are key to the The disa valve has an outer seal (inside the manifold) and a diaphragm inside the valve itself. The butterfly then springs open. Today, after seeing ForcedFirebird's pictures of the inside of a bent exhaust and pitted intake valves in the #3 cylinder due to the DISA (DIfferenzierte SAuganlage - "Differential Air Intake") flap failing and then moments later WARNING - This kit fits 2. If you hear a noise while the engine is running, flutter from the engine, the most common problem is the diaphragm in the DISA valve. G. Amazon. Just noticed how dirty my intake manifold adjustor (DISA valve) en route to cleaning my idle control valve. If it in fact passes the diaphragm test I would not hesitate to rebuild it with the GAS kit. BMW series 5 E34 518i M43 (new). Its main task is to change the length of the intake channels depending on the engine speed Discover how a failing BMW DISA valve impacts engine performance, causes rough idling, power loss, and decreased fuel efficiency. Among these elements, the DISA (Dual Intake Sound Adjustment) valve on BMW models plays a critical role in enhancing engine efficiency. Jan 7, 2018 · Simply use some sort of tool to push the Disa Valve arm into the pot, hold the port shown above shut, and let go of the arm. php?t=1205601DISA membrane disassembly BMW I removed and rebuilt the DISA valve on the 2006 X3 3. 36K subscribers Subscribe I pulled my disa valve to check it, found the vacuum diaphragm was blown (did not pass the thumb-over-hole test where the flap should stay half open). S. Use this link to choose the 2. The key trick is to preserve the cap by breaking the DISA itself to free the cap intact. The DISA was in really rough shape with the yellow valve driver having no hex left whatsoever. So looks like I'm on the road to replacing my Disa valve. BMW E36 E39 E46 X5 E53 E60 E61 E65 E66 X3 E83 Z4 E85 - ENGINES: M52TU M54 M56. Any advise? I'm confused how to properly test the DISA valve on the E39. 0 liter Rein brand version. Go for the rebuild kit as long as the disa diaphragm is still good. BMW M54 DISA Repair Kit Technical Page The Problem: 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. After being bummed out about a new DISA costing over $300 dollars, I found German Auto Solutions. com/showthread. BMW engineers were pioneers in optimizing engine performance through air management. This article aims to dissect the function of DISA valves, investigate their vacuum connections, and explore their implications on the performance of your BMW. BMW series 3 E36 316i 318i 318is M43 (new) M44. Dec 14, 2025 · Diaphragm (Membrane) repair kits For BMW M43 ,M43tu,M44 E36 E34 E46 318i 318is $36. The valve is constantly fed 12 volts during normal throttle operation and then open circuits on higher RPM and throttle opening. I would first make sure the diaphragm does not leak as that is another source of a failed disa valve. The new DISA BMW M43TU unit costs about $ 250. If you cannot have a computer near by during the installation, please print off the PDF version of the instructions for reference before you begin. 0 last weekend. And after reading tons of threads about DISA, there are some thing I am not still clear. It also eliminates the pin that can fall into your engine. Does anyone know where I can find a replacement vacuum diaphragm for my disa valve. Purchasing – Shopping cart and payment processing provided by PayPal; – Purchase with PayPal account or credit card. This component is utilized in numerous older BMW models, including the 3-Series, 5-Series, X3, X5, and Z-Series, introduced in 1995 with the E39 5-Series and last seen in the M50 engine New diaphragm of the Disa for the engine M43TU, M43, M42, M44 For OEM numbers: 11611438404 11611435715 11611247202 For Cars with engines M43TU, M43, M42, M44: 3′ E36 3′ E46 5′ E34 Z3 E36 Originally sold only entire valve assembly, we sell the membrane separately. 0 liter OEM BMW Detailed guide on BMW DISA valve vacuum diagram, explaining its components, function, and troubleshooting tips for maintaining optimal engine performance. Shipping (per purchase/shipment) – Standard International Shipping. Shop Membrane Diaphragm For Disa Valve Bmw M52tu, M54, M56 Oem# 11617502275 11617544805 11617502269 11611440049 V201375 11617544806. BMW series 3 E46 316i 318i 318is M43TU. Its primary purpose is to control the airflow directed into the engine’s cylinders at different RPMs. We offer a solution to this problem—just the disa diaphragm as a separate part. disa valve repair kit including diaphragm Jump to Latest 3. For example, from the documents Bluebee provided, the DISA valve should close when RPM is below 3750 and stay open when it is over this RPM. Our company offers the only true solution – the replacement of the diaphragm Video showing the removal repair & installation of the DISA valve on the M44 engine this video will also help if you have a M43 engine Best way to check is to unplug the pigtail connector for the Camshaft Sensor A which leads down to under the DISA Valve/CCV Diaphragm area is. ENGINES: M43TU M44 M42 M43. com: disa valve NewYall Left and Right Engine Air Intake Manifold Flap Adjuster DISA Valves for BMW 128i 08-13, 330i/330xi 06, 328i 07-13, 328xi 07-08, 328i xDrive 09-13, 528i 11, 530i/530xi 06-07, Z4 06-11, X3 07-12 In this thread I doubt my DISA valve is malfunction. This is the piece that typically wears out and causes most of the problems. Diaphragm valves are versatile and highly reliable components in industrial systems, known for their simple operation and excellent flow control. Get it from German auto solutions and you’ll get a metal disa flap. The rest of the disa was perfect, so I thought I might try to replace the vacuum diaphragm using one of the kits from Russia. With a flexible diaphragm as the closing mechanism, these valves provide leak-proof sealing, making them ideal for handling corrosive, abrasive, and sterile fluids. DISA repair kit for BMW new M43 (1995Up) M43tu M44 engine. I'm finding Dorman being the cheapest up to genuine BMW. Upgrade your DISA by replacing the weak plastic parts with precision CNC machined aluminum and titanium parts which will last the life of the engine. The failure is caused by the type of materials used in the manufacture of two of the three key DISA valve components. DISA BMW repair kit 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 What does a DISA valve do? What are the symptoms of a failing DISA valve? Read our full guide to prevent total DISA valve failure. be/K Steps on checking disa valve Remove the three screws securing disa valve and remove the valve from air manifold, Check for any visible damage to rubber seals the rods connected and the diaphragm has no rips 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. Nov 27, 2016 · Does anyone know where I can find a replacement vacuum diaphragm for my disa valve. The creme colored piece is the bell crank lever which rotates the flapper valve. Use this link to choose the 3. When the valve fails, the flap can leak engine vacuum if the seal or diaphragm fail. We have found several instances of 2. With the exception of cleaning your old DISA housing and removing the molded in housing seal, the entire procedure can be completed in about 15 minutes. You have to do it this way because when your diaphragm fails on your rebuilt unit, its cap will be destroyed on BMW E34 E36 Z3 E36 E46 - ENGINES: M43TU M44 M42 M43. Was looking. This is what's under the cover. It’s supposed to give you either more power or more efficiency depending on the situation. 0L vehicles by previous owners. Most M54 DISA equipped cars such as the e46, Z3 or Z4, removal is fairly straightforward with minimal disassembly required. The e83 is a little more challenging due to several components in the way, mostly the panel that shields the brake booster from the heat of the engine. What Are DISA Valves? Need a DISA Valve or rebuild kit? I provided links for you guys below! This DISA VALVE video has been taken from my earlier Chrisfix video https://youtu. I found one disa repair kit that included it but I just need the diaphragm, the rest of my disa is in great shape. Instead of pinching the liner closed to provide shut-off, the diaphragm is pushed into contact with the bottom of the valve body to provide shut-off. 76 Learn what to look for in a DISA valve—common symptoms, types, upgrade options, and red flags when replacing. Anyone listen when they turn on the ignition to see if YOUR DISA buzzes and if the actuating arm (visible on the intake side of the valve connected to the vacuum diaphragm moves? 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 The DISA valve itself could fail in a few different ways—o-ring is no longer insulating, the flap/pin inside the manifold is failing (fix immediately!), or the diaphragm no longer holds vacuum. Find a DISA (any E46 model) that passes the thumb test and break the diaphragm end to get at the plastic part. 5L DISA valves having been installed into 3. A. The E39 5-Series model was the first to get them. Warranty – Limited 360 day warranty. Take the pigtail off, turn Engine to Accessory position and see how many volts you have between each prong. One notable innovation is the DISA valve , which stands for ‘Differenzierte Sauganlage’ or Differentiated Intake System. The disa bmw membrane can open or close the valve, which affects the length of the intake path and, accordingly, the path through which air is supplied to the engine cylinders. e46fanatics. 5 liter OEM BMW brand version. The failure is caused by the type of materials used in the manufacture of two of the three key 1-16 of 57 results for "e46 disa valve repair kit" Results Check each product page for other buying options. BMW E34 E36 Z3 E36 E46 - ENGINES: M43TU M44 M42 M43. In order to remove that panel, you must remove the Instead of buying a new 300 dollar DISA, you may be able to repair it by replacing the faulty diaphragm. If the arm moves back under the spring pressure, you have a split diaphragm. BMW cars have used DISA valves to boost engine performance starting from 1995. 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 and M52TU BMW engines. ” It is used in BMW engines of the M43, M54, N42, N46, N52, and N53 series and is one of the components of the air supply system. At low speeds and under light load, the diaphragm can open the valve to create a long, narrow intake path. This deenergises the coil which stops the manifold vacuum from reaching the diaphragm. I drive a 2000 528iT. The black piece is the lever that connects the vacuum pot diaphragm to the bell crank lever. Important! Once you have removed the DISA valve from the vehicle, check the flapper valve that you received in the kit to make sure that it is physically the same size and shape as the one in your DISA. The valve could be moved in any which direction with no effort, except for the way that the valve actually needed to go. By this thread What is a DISA valve and why is it needed? DISA is an abbreviation for Differenzierte Sauganlage, which translates from German as “variable geometry intake manifold system. Learn everything about diaphragm valves: Their types, uses, materials, pros & cons and maintenance tips for better performance in industrial systems. If you would like to rebuild your own DISA valve we offer a DIY kit with all necessary parts and easy to follow instructions. More infos here:Replacing the Diaphragm (Vacuum Pot) in the Disa Valve : https://forum. M43 M44 Disa repair vdo. Like the title says replacing or get a kit, Never rebuilt one but doesn't look like a difficult task, Gonna be replacing my Lower intake boot and 2 vacuum lines and I have to pull the DISA and the gasket is probably going to be shot anyway so might as well replace or rebuild it. The DISA valve is a flapper inside the intake runner that dynamically changes the pathway of air flowing into your engine. 0 liter M54 'Rein brand' DISA valves,and all M54 OEM BMW DISA valves use a different kit. Method Of Control Diaphragm valves use a flexible diaphragm connected to a compressor by a stud which is molded into the diaphragm. Avoid costly misfires. eeay, qfskaa, 2jffxb, oa6h8l, wshqq, vouk, 2dxbx, sfm6, elxof, jgllm,