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BMW Intake Manifold Components (DISA, Vacuum, CCV, Etc) for BMW 3 Series E91 (2006-2012)

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.

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Intake Manifold Upgrade Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:15710827

Part#: 11617559523-KT

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05-03-2026

$ 677.38 USD

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The E90 330i had the highest horsepower out of the N52-powered vehicles. The reason for this was while the 128i, 325i, 328i, 525i, and 528i received a single-stage manifold, the 330i was gifted a 3-stage manifold. A 3-stage manifold consisted of 2 DISA valves that would divert air to the cylinders that needed it. With more air going to the appropriate cylinders and fuel adjustments by the ECU, this valve system helps extract the most power from the N52. Luckily this amazing manifold bolts on to any version of the N52 and, after a flash of the ECU, can give you up to 42hp! *Flash Software not currently available from ECS Tuning* Kit includes: 330i intake manifold Both DISA valves Gaskets Mounting hardware Crankcase vent hose

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Oil Separator Valve

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T#:8677203

Part#: 11617531423

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Sale - Save 4% $ 69.99

This product was last offered at the strikethrough price on
05-03-2026

$ 67.20 USD

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This product was last offered at the strikethrough price on
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Angle Connector With Heating Element

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T#:36100159

Part#: 11617561408

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This product was last offered at the strikethrough price on
06-19-2026

$ 39.99 USD

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This product was last offered at the strikethrough price on
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This component not only connects the PCV line to the intake manifold but also functions as a heating element to prevent blockages. However, it can short out over time. It's easy to replace—protect your engine by installing a new one today.

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Intake Gasket - Priced Each

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T#:54995058

Part#: 11617547242

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$ 19.99

This product was last offered at the strikethrough price on
09-16-2026

$ 6.99 USD

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$ 6.99 USD

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Crankcase Oil Separator and Vent Hose Kit - E90 325xi/330xi, E60 525x...

10X Entries Into Our F80 M3 Sweepstakes

T#:221962

Part#: TMS221962

Ships in 1 Business Day

$ 458.99 USD

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$ 458.99 USD

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The BMW N52 engine was deisgned with a crankcase vent system that relies on a heated oil separator valve to separate vapor from the liquid oil. Under ideal circumstances, the oil vapor would pass back into the intake and get burned up during normal combustion. The liquid oil would follow a path back down into the oil pan and be reused. This system is environmentally friendly but plagued with problems. The heating elements can fail or oil and carbon particles can block the oil separator valve. With no escape, the oil will continue to pool and collect in the valve cover or make its way into the combustion chamber leading to excessive oil consumption, blue smoke from the exhaust, idle and running issues. These issues are worse in colder climates where the freezing temperatures create an oil sludge condition that is impossible to clear. The plastic hoses can become brittle and crack which leads to vacuum leaks and oil leaks. Thankfully, the CCV is replaceable on the early N52 engines (2006 and some 2007 models) and should be inspected during a major service and any time the valve cover is off. Oil can also back up into the throttle body, which is easier to check than the oil separator itself. Later N52 engines do not have a serviceable oil vent as it is integrated into the valve cover and not a separate part.

This is a kit containing the oil separator, the vent hoses, and the intake manifold gaskets that are done during a typical oil separator replacement. Complete kit includes:

11617531423, Genuine BMW oil separator

11617559530, vent hose

11157522931, oil separator hose

11157567801, return hose

11157537701, extraction hose

11617547242, intake manifold gaskets (set of 6)
The intake manifold must be removed to access the oil separator so new profile gaskets are included. We also recommend (but not required) a new oil separator fitting on the intake manifold because it's one of the heated elements that vaporizes the oil as it enters the intake.

The oil separator can be replaced on its own but for a complete service we also recommend replacing the oil separator hoses and cleaning the valve cover. Any valve cover or intake manifold work should include a new oil separator valve.

This kit fits the following BMWs:
-10/2005 E90 BMW 325xi 330xi - Sedan
-10/2005 E91 BMW 325xi - Wagon
-10/2005 E60 BMW 525xi 530xi

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Vacuum Pump Sprocket

10X Entries Into Our F80 M3 Sweepstakes

T#:26305068

Part#: 11417516128

Special Order: No Guaranteed ETA

Sale - Save 21% $ 26.99

This product was last offered at the strikethrough price on
05-03-2026

$ 21.21 USD

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Sale - Save 21%

$ 26.99

This product was last offered at the strikethrough price on
05-03-2026

$ 21.21 USD

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BMW Intake Manifold Components (DISA, Vacuum, CCV, Etc) for BMW 3 Series E91 (2006-2012)

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Intake Manifold Upgrade Kit

Oil Separator Valve

Angle Connector With Heating Element

Intake Gasket - Priced Each

Crankcase Oil Separator and Vent Hose Kit - E90 325xi/330xi, E60 525x...

Vacuum Pump Sprocket

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