Intake Manifold Flap Actuator

Need a replacement intake manifold flap actuator for your Audi, Volkswagen, or BMW? You've found the right place. We offer high-quality actuator motors that restore your engine's performance and fix those annoying check engine lights. Shop our complete selection with 3-year warranty coverage and free shipping.

What Is an Intake Manifold Flap Actuator?

The intake manifold flap actuator is a small electric motor that controls butterfly valves inside your engine's intake manifold. These butterfly valves open and close to change the length of the intake runners, which helps your engine make better power at different RPM ranges[[1]](https://repairpal.com/intake-manifold-runner-control). Think of it as a traffic controller for air coming into your engine?it directs airflow exactly where it needs to go for maximum efficiency.

Your vehicle's engine computer (ECM or PCM) tells the intake manifold flap actuator when to move based on throttle position, engine speed, and driving conditions. At low RPMs, the actuator keeps the flaps in one position to create longer, narrower intake runners. This longer path gives you more torque and power when you need it for acceleration, while a shorter, wider runner provides better high-end power[[1]](https://repairpal.com/intake-manifold-runner-control). When you're cruising on the highway or pushing hard, the actuator repositions those flaps to optimize airflow for higher speeds.

Modern turbocharged engines in Audi and Volkswagen vehicles rely heavily on these actuators. Without a working intake manifold flap actuator motor, your engine can't adjust airflow properly. This leads to rough running, power loss, and reduced fuel economy. The actuator itself contains internal gears, a small electric motor, and feedback sensors that communicate with your car's computer. When any of these components fail, you'll need a replacement to get your vehicle back to peak performance.

Signs Your Intake Manifold Flap Actuator Needs Replacement

If your intake manifold runner control has an issue it can cause misfires, a decrease in power and acceleration, reduced fuel efficiency, and even stalling[[3]](https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-intake-manifold-runner-control). The most obvious sign is a check engine light on your dashboard. When you scan the codes, you might see P2004, P2006, P2015, or similar codes related to intake manifold runner control. These codes specifically point to problems with the actuator motor or the flaps getting stuck.

You'll also notice real-world driving problems. A decrease in engine power and acceleration is noticeable, with sluggish throttle response making it challenging to reach higher speeds[[2]](https://www.autozone.com/diy/engine/signs-of-a-bad-intake-manifold-runner-control). Your car might feel especially weak when accelerating from a stop or trying to pass other vehicles on the highway. Some drivers report a rough idle or engine surging?the RPMs bounce up and down while sitting at a red light. Fuel economy takes a hit too, as your engine struggles to maintain the proper air-fuel mixture without functioning intake flaps.

These motors often fail when the flaps get stuck on buildup inside the motor, placing excess load on the motor and causing it to fail[[7]](https://jhmotorsports.com/adjuster-motor-or-actuator-for-intake-manifold-flap-late-vdo-for-b7-a4-2-0t-vw-fsi.html). Carbon deposits are a common culprit, especially in direct injection engines. If you hear clicking or grinding noises coming from the engine bay near the intake manifold, that's another red flag that your actuator motor is struggling or has already failed. Don't ignore these symptoms?a bad actuator can lead to long-term engine damage if left unrepaired.

Intake Manifold Flap Actuator Replacement for Audi, Volkswagen & BMW

We carry intake manifold flap actuator motors for a wide range of European vehicles. Our inventory includes parts for 2004-2014 Audi A3, 2005-2008 Audi A4, 2007-2014 Audi TT and TTS Quattro models, plus 2005-2014 Volkswagen Jetta, 2006-2008 VW GTI, 2007-2015 VW Eos, 2010-2014 VW Golf, 2013-2014 VW Beetle, 2006-2008 VW Passat, and 2012-2013 Golf R. For BMW diesel owners, we also stock actuators for 2014-2018 328d xDrive, 2014-2016 535d models, and 2015 740Ld xDrive.

Each intake manifold flap actuator we sell comes with a 3-year warranty and 90-day free return policy. Our part numbers APIM049, APIM050, and APIM122 are engineered to meet or exceed OEM specifications. These aren't cheap knockoffs?they're quality replacement actuators that will last. Prices range from $65.99 to $122.99 depending on your vehicle application, which is significantly less than dealer pricing while maintaining the same reliability.

Compatible Applications and Part Numbers

Part Number	Vehicle Make	Models	Price
APIM049	Audi / Volkswagen	A3 (2010-2013), Golf (2010-2014), Jetta (2009-2014), Beetle (2013-2014)	$65.99
APIM050	Audi / Volkswagen	A3/A3 Quattro (2004-2013), A4/A4 Quattro (2005-2008), TT/TTS Quattro (2007-2014), Jetta (2005-2008), GTI (2006-2008), Eos (2007-2015), Passat (2006-2008), Golf R (2012-2013)	$78.99
APIM122	BMW	328d xDrive (2014-2018), 535d/535d xDrive (2014-2016), 740Ld xDrive (2015)	$122.99

How Intake Manifold Flap Actuators Work

The Intake Manifold Runner Control is an electrically actuated system with a motorized actuator and attaching linkage, with each housing containing two intake air passages for each cylinder?one always open and the other controlled by a butterfly valve plate[[8]](https://www.motor.com/magazine-summary/trouble-shooter-july-2009/). Your engine computer sends electrical signals to the actuator motor, which then moves mechanical linkages connected to the butterfly valves inside the intake manifold.

When you're driving at lower speeds or just cruising, the actuator keeps certain intake passages closed. This forces incoming air through longer, narrower paths that increase air velocity and improve low-end torque. As soon as you step on the gas and RPMs climb above 3000-3500 RPM, the ECM commands the actuator to open those additional passages. Now air has a shorter, more direct route into the cylinders, which is exactly what high-RPM operation needs for maximum horsepower.

The actuator motor contains internal position sensors that send feedback to your car's computer. This tells the ECM whether the flaps are actually where they're supposed to be. If the flaps get stuck due to carbon buildup or the actuator motor fails, the position feedback won't match what the computer commanded. That's when you get a check engine light and a stored diagnostic trouble code. Modern intake manifold flap actuators are incredibly reliable, but they do wear out over time?especially in engines with direct injection that tend to build up carbon deposits.

Common Causes of Intake Manifold Flap Actuator Failure

Carbon buildup can cause the runners to stick, while electrical failures from damaged wiring or connectors can disrupt operation, and vacuum leaks can also prevent the IMRC from functioning correctly[[7]](https://a-premium.com/blogs/intake-manifold-runner-control-things-you-need-to-know). Carbon deposits are the number one enemy of these actuators. Direct injection engines spray fuel directly into the combustion chamber, bypassing the intake valves. This means there's no fuel washing over the intake valves and runners to keep them clean. Over time, oil vapor from the PCV system cooks onto the intake manifold surfaces and flap mechanisms.

Electrical problems cause actuator failures too. The wiring harness connector can corrode, especially in areas with harsh winters where salt gets everywhere. Damaged wiring from engine heat or improper repairs can prevent the actuator from receiving proper signals. The actuator motor itself can wear out?the internal gears strip, the motor windings fail, or the position sensors go bad. Age and heat cycles take their toll on these electronic components.

Mechanical binding is another issue. The actuator linkage rods have small plastic clips that connect them to the butterfly valve shafts. These clips can break, causing the actuator to lose its connection to the flaps. Even if the motor runs, the flaps won't move. Some vehicles also develop vacuum leaks around the actuator mounting area, which affects engine performance and can trigger similar symptoms to a bad actuator. Regular maintenance and timely replacement of a failing intake manifold flap actuator prevents these problems from snowballing into bigger, more expensive repairs.

Why Buy Your Intake Manifold Flap Actuator From Us?

When you order an intake manifold flap actuator from our online store, you're getting more than just a part. Every actuator we sell is backed by our 3-year warranty, which covers defects in materials and workmanship. If something goes wrong with your actuator within three years, we'll take care of you. We also offer 90-day free returns?if the part doesn't fit or you're not satisfied for any reason, send it back at no cost.

Our customers give us 5-star ratings because we deliver quality parts at fair prices. All orders ship fast, and we provide tracking information so you know exactly when your intake manifold flap actuator will arrive. We make vehicle fitment easy too?just use our vehicle selector tool to enter your year, make, model, trim, and engine. Our system will show you exactly which actuator fits your car, eliminating any guesswork.

Installation is straightforward for most DIY mechanics. The actuator typically mounts to the side of the intake manifold with just a few bolts and an electrical connector. You don't need special tools or extensive mechanical knowledge. Replace your failed actuator in an hour or less and clear those check engine codes. Need help? Our customer service team is available 24/7 by phone, email, or live chat to answer your questions. Ready to restore your engine's performance? Add your intake manifold flap actuator to your cart and get your order placed today. We'll ship it out within one business day.

Frequently Asked Questions About Intake Manifold Flap Actuators

Can I drive my car with a bad intake manifold flap actuator?

An IMRC stuck open can cause rough idling, decreased power, and poor fuel economy, with the primary short-term risk being potential for spark plugs to foul prematurely and minimal risk in driving until repairs can be made[[5]](https://www.justanswer.com/ford/9swfu-risk-driving-2009-focus-indicates.html). However, we don't recommend driving long-term with a failed actuator. Your engine won't run efficiently, you'll waste gas, and prolonged operation with improper air-fuel ratios can damage your catalytic converter or cause other expensive problems. Get it fixed soon.

What diagnostic codes indicate a failed intake manifold flap actuator?

Common trouble codes include P2004 (IMRC stuck open), P2006 (IMRC stuck closed), P2015 (intake manifold runner position sensor circuit), and P3193 (intake manifold runner control outside valid range). These codes specifically point to problems with the actuator motor, position sensors, or mechanical binding of the flaps. Use a code reader to scan your vehicle and identify which code is stored.

How long does it take to replace an intake manifold flap actuator?

Most intake manifold flap actuator replacements take 30 minutes to 1 hour for someone with basic mechanical skills. The actuator is usually accessible from the engine bay without removing major components. You'll unbolt the old actuator, disconnect the electrical connector, install the new actuator, and reconnect everything. Some vehicles require you to clear the fault codes afterward using a scan tool, but that only takes a minute.

Will replacing the actuator fix my check engine light?

Yes, if the actuator is actually the problem. After installing a new intake manifold flap actuator motor, use a code reader to clear the stored fault codes. The check engine light should stay off if the actuator was the root cause. If the light comes back on, there might be additional issues like carbon buildup on the flaps themselves or damaged wiring that also needs attention.

Do I need to clean the intake manifold flaps when replacing the actuator?

Periodically clean the intake manifold and IMRC components to prevent carbon buildup and debris accumulation using appropriate cleaners designed for intake systems[[7]](https://a-premium.com/blogs/intake-manifold-runner-control-things-you-need-to-know). If your flaps are covered in carbon deposits, a new actuator won't solve the problem?the flaps will still bind and stick. Many mechanics recommend cleaning the entire intake manifold when replacing the actuator to prevent future failures and ensure smooth operation.