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BMW E46 Intake Manifold Components (DISA, Vacuum, CCV, Etc)

BMW E46 Intake Manifold Components (DISA, Vacuum, CCV, Etc) 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.
You're currently viewing parts for your (E46) 3-Series 1999-2005. Reset your chassis
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ECS Aluminum Vacuum Hose F-Connector

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
 

ECS
Part #: 012178ECS01
Price: $20.95 (USD) 
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Adjusting Unit for Intake Manifold (DISA Valve) - 2.5 liter - E46 E39 E60 X3 Z3 Z4 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
Genuine BMW
Part #: 11617544806
Price: $356.21 (USD) 
$403.63 (12% off MSRP)
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Rein
Part #: 11617544805
Price: $127.32 (USD) 
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Idle Control Valve - M50, M52, M52TU, M54 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
Bosch
Part #: 13411744713
Price: $170.64 (USD) 
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Rein
Part #: 11617544806
Price: $123.93 (USD) 
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Adjusting Unit for Intake Manifold - E46 323/328, E39 528i 99-00, Z3 2.5, 2.8 99-00 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
Genuine BMW
Part #: 11611440049
Price: $275.00 (USD) 
$355.45 (23% off MSRP)
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OEM Bosch Idle Control Valve - E31 E32 E34 E38 E39 E46 M3, Z3M, Z4M

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

Bosch
Part #: 13411733090
Price: $210.59 (USD) 
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Adjusting Unit for Intake Manifold (DISA Valve) - 3.0 Liter - E46 E39 E60 X3 X5 Z3 Z4 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
Genuine BMW
Part #: 11617544805
Price: $295.79 (USD) 
$403.63 (27% off MSRP)
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