BMW Intake Manifold Components (DISA, Vacuum, CCV, Etc) for BMW 3 Series E46 (1999-2005)

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The intake manifold takes incoming air from the intake and distributes it to each cylinder. Over the years the manifolds have gotten more sophisticated and complex. Most of the additional work that it does is emissions-related - recirculating vapors back into the engine to be re-used. But there are also performance innovations such as BMW's DISA variable intake runners. All of the modern innovations have a part behind it and here you will find replacement components.

In some BMW models there are performance improvements with intake manifolds. These intake manifold upgrades use mostly BMW parts and are a direct replacement for your stock manifold. We offer manifolds and kits to make the conversion work easier.

ECS Aluminum Vacuum Hose F-Connector
ECS - Corporate Logo
T#:385229
Part#: 012178ECS01
In Stock
Sale - Save 15% $23.95
$20.36
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Sale - Save 15% $23.95
$20.36
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The F-connector is located on the air intake boot and provides a connection point for the vacuum lines that run to the brake booster and fuel pressure regulator. The factory connector is made of plastic and with heat and exposure to the elements the connector becomes brittle and potentially cracks. As a result, a vacuum leak occurs which can cause poor idling issues, evap fault codes, and poor performance.

This aluminum version from ECS Tuning is impervious to these issues, and will easy outlast the rest of your plastic and rubber vacuum system components.

This item fits the following BMWs:
E39 525i 530i

E46 325i 325xi 330i 330xi

Z3 2.5i 3.0i

OEM Rein Intake Air Adjustment Unit/DISA Valve - M54 3.0L
Rein - Corporate Logo
T#:402121
Part#: 11617544805
In Stock
$130.49
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A bad DISA valve can cause a variety of issues, from a loud racket in the engine bay, hesitation at low rpm and a rough idle with lean codes.

If the valve is making a loud noise, we recommend replacing it as soon as possible. It is possible for the pin holding the flap to be sucked into the motor causing serious damage.

Very easy to replace, just need to undo the 4 bolts holding it to the intake manifold.

OEM Rein Intake Air Adjustment Unit/DISA Valve - M54 2.5L
Rein - Corporate Logo
T#:402120
Part#: 11617544806
In Stock
$127.02
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Air adjustment unit controls the path of the air in the intake manifold, allowing either a shorter or longer runner length. A common source of trouble causing low RPM sluggishness and accompanied by a clicking sound from the engine bay.

Adjusting Unit for Intake Manifold (DISA Valve) - 3.0 Liter - E46 E39 E60 X3 X5 Z3 Z4
Genuine BMW - Corporate Logo
T#:2872
Part#: 11617544805
In Stock
28% off MSRP $403.63
$288.95
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28% off MSRP $403.63
$288.95
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The DISA Valve adjusts the intake manifold runner length to improve performance. When it fails it can lead to a rough idle and perhaps a engine fault code light. This adjusting unit fits E46 325i with M56 engine, 330i, E39 530i, E60 530i 2004-2005 - X3 3.0i 2004-2006 - X5 3.0i 2000-2006 Z3 3.0i, Z4 3.0i 2003-2006. Genuine BMW brand.

This item fits the following BMWs:
2003-2005 E46 BMW 325i 325ci 325xi only with M56 engine
2001-2005 E46 BMW 330i 330ci 330xi
2001-2003 E39 BMW 530i
2004-2005 E60 BMW 530i 530xi
2004-2006 E83 BMW X3 3.0i
2000-2006 E53 BMW X5 3.0i
2000-2002 Z3 BMW Z3 3.0i
2003-2006 E85 BMW Z4 3.0i

OEM Bosch Idle Control Valve - E31 E32 E34 E38 E39 E46 M3, Z3M, Z4M
Bosch - Corporate Logo
T#:7202
Part#: 13411733090
In Stock
$210.59
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Rough or hunting idle? Stalling? Sputtering? These are all symptoms of poor fuel delivery or a vacuum leak in your intake system. This T-shaped idle regulating valve is one of the areas that you can check to fix these issues. The ICV is basically a electrically-driven throttle body that regulates the air/fuel mixture at light throttle openings. Over time, the ICV can become gummed up with oil and carbon, resulting in slow or blocked operation. Worst case, the electric motor inside will freeze which will stall the engine.

The ICV will typically need to be cleaned or replaced every 100k miles. It can be cleaned with carb cleaner but for seriously dirty or old ICVs you may want to replace the whole unit with a new one. You may also want to replace the Crankcase Vent Valve as it can also fill up with oil and carbon and replacement can be done at the same time as the ICV. On cars with V8 engines, we recommend replacing the rubber grommet between the valve and the manifold - Part # 13411733217

Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!


This idle control valve fits the following BMWs:
1992-1998 E36 BMW M3 Euro Spec Models Only!
2001-2006 E46 BMW M3
1989-1995 E34 BMW 530I 540i
1997-2003 E39 BMW 540i M5
1988-1994 E32 BMW 740i 740il
1995-2001 E38 BMW 740i 740il
1990-1999 E31 BMW 840i 840ci
2001-2002 Z3 BMW Z3 M Roadster M Coupe
2006-2008 E85 BMW Z4 M Roadster M Coupe
2000-2003 E52 BMW Z8 Roadster

CSL intake flap - E46 M3
Genuine European BMW - Corporate Logo
T#:360705
Part#: 11617833498
In Stock
$429.95
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CSL intake flap - for use with CSL airbox.

Genuine European BMW CSL Airbox Air Shut Off Valve - E46 M3
Genuine European BMW - Corporate Logo
T#:361537
Part#: 11617833647
In Stock
$111.95
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This part is required in order to convert your S54's intake manifold from stock to CSL.
Genuine BMW CSL SMG Expansion Tank Bracket - 41147896136 - E46 M3 CSL w/ SMG Transmission
Genuine European BMW - Corporate Logo
T#:361538
Part#: 41147896136
In Stock
$35.95
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When you upgrade to the CSL intake, you have to replace and relocate the SMG reservoir. This bracket mount the new reservoir after the CSL conversion exactly as designed by BMW.

Genuine European BMW CSL Additional Air Line - E46 M3
Genuine European BMW - Corporate Logo
T#:384517
Part#: 13417833597
In Stock
$384.75
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This CSL Air rail is used to convert to the CSL air box or run an Alpha N and to accommodate use of a MAP sensor.

Eventuri Evolve CSL Airbox - E46 M3
Eventuri - Corporate Logo
T#:558892
Part#: EVE-E46-ABX
Direct Ship
$2,625.00
$2,625.00

Bespoke. A word that perfectly encapsulates the mindset of Eventuri. Performance parts with an obsessive attention to detail and an unyielding dedication to quality. Perfectly designed to maximize the potential of each individual vehicle and meticulously refined through rigorous testing. Eventuri offers a product that stands in a class of its own and delivers outstanding power increases without making false claims or exaggerating dyno numbers. With patented designs such as a custom velocity stack filter housing and improved ducting that guides the flow of air into the engine, to the breathtaking uniformity of the weave pattern. These are performance products for the truly discerning customer.

When it comes to styling a vehicle the proper look is one that compliments not cheapens the inherent design. Race inspired carbon fiber completes the look and style of every BMW M-powered model and Eventuri delivers on an entirely new level.

Eventuri has spent much time in ensuring this carbon airbox was produced by only the best motorsport development companies who are also responsible for producing F1 body panels.
The aim was to produce the best aftermarket CSL style airbox ever released using up to date cutting edge manufacturing processes.

The advantages over any other modification are that no other gives as much power gain and the noise is not like that of an exhaust system. An exhaust system introduces additional noise at idle, part throttle and full load driving. An airbox upgrade makes no extra noise at idle, you can drive under partial load without hearing it. ItaEURtms only heard when you apply large amounts of load at engine speeds over 2500 rpm.

Eventuri now offers a carbon airbox of extremely high quality from 100% pre-preg carbon mated with a custom MAFLESS Alpha-N ECU calibration which allows smooth running of the engine while at the same time taking advantage of the increased airflow.

Adjusting Unit for Intake Manifold (DISA Valve) - 2.5 liter - E46 E39 E60 X3 Z3 Z4
Genuine BMW - Corporate Logo
T#:2881
Part#: 11617544806
Ships in 1 day
16% off MSRP $403.63
$339.38
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16% off MSRP $403.63
$339.38
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The DISA Valve adjusts the intake manifold runner length to improve performance. When it fails it can lead to a rough idle and perhaps a engine fault code light. This adjusting unit fits E46 325i with M54 engine, E39 525i, E60 525i 2004-2005 - X3 2.5i - Z3 2.5i Z4 2.5i

This item fits the following BMWs:
2001-2005 E46 BMW 325i 325ci 325xi only with M54 engine
2001-2003 E39 BMW 525i
2004-2005 E60 BMW 525i 525xi
2004-2006 E83 BMW X3 2.5i
2000-2002 Z3 BMW Z3 2.5i
2003-2006 E85 BMW Z4 2.5i
Adjusting Unit for Intake Manifold - E46 323/328, E39 528i 99-00, Z3 2.5, 2.8 99-00
Genuine BMW - Corporate Logo
T#:12210
Part#: 11611440049
Ships in 1 day
16% off MSRP $403.63
$339.38
Free Shipping
16% off MSRP $403.63
$339.38
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The DISA Valve adjusts the intake manifold runner length to improve performance. When it fails it can lead to a rough idle and perhaps a engine fault code light. This adjusting unit fits E46, E39 and Z3 with M52 engine.

This item fits the following BMWs:
1999-2000 E46 BMW 323i 323ci 328i 328ci
1999-2000 E39 BMW 528i
1999-2000 Z3 BMW Z3 2.3 Z3 2.8


Idle Control Valve - M50, M52, M52TU, M54
Bosch - Corporate Logo
T#:338006
Part#: 13411744713
Ships in 10 Business Days
Starting at $170.64
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Starting at $170.64
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Rough or hunting idle? Stalling? Sputtering? These are all symptoms of poor fuel delivery or a vacuum leak in your intake system. The idle control valve is one of the areas that you can check to fix these issues. The ICV is basically a electrically-driven throttle body that regulates the air/fuel mixture at light throttle openings. Over time, the ICV can become gummed up with oil and carbon, resulting in slow or blocked operation. Worst case, the electric motor inside will freeze which will stall the engine.

The ICV will typically need to be cleaned or replaced every 100k miles. It can be cleaned with carb cleaner but for seriously dirty or old ICVs you may want to replace the whole unit with a new one. There is also a hard rubber seal between the ICV and the manifold and this should be replaced as well. You may also want to replace the Crankcase Vent Valve as it can also fill up with oil and carbon and replacement can be done at the same time as the ICV.

Add a new ICV to your M50 Manifold Upgrade to save time and money!

This is a new OEM Bosch idle control valve. We offer a new sealing grommet as an option below in case you need to replace your dry or cracked seal..
13411744713 - idle control valve
13411733217 - sealing grommet (optional)

This idle control valve fits the following BMWs:
1992-1998 E36 BMW 323is 323ic 325i 325is 325ic 328i 328is 328ic M3
1999-2005 E46 BMW 323i 323ci 325i 325ci 325xi 328i 328ci 330i 330ci 330xi
1989-1995 E34 BMW 525i
1997-2003 E39 BMW 525i 528i 530i
2004-2005 E60 BMW 525i 530i
2000-2006 E53 BMW X5 3.0i
1997-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8 Z3 3.0i M Roadster M Coupe (except S54)
2003-2005 E85 BMW Z4 2.5i Z4 3.0i

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