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Turner Motorsport BMW Intake Parts

One thing drivers and cars have in common is the need for air. Induction systems provide a third of the critical necessities for engines to run, so giving your BMW the best way to breathe is paramount in engine performance. If you need to replace your filter, recharge your reusable pod filter, or upgrade your intake, turbos, or intercooler parts, everything can be found below. We have OEM replacements as well as aftermarket performance upgrades to keep your BMW pristine, powerful, and functioning at peak efficiency.

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

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T#:221961

Part#: TMS221961

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$ 482.99 USD

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$ 482.99 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

11157567802, 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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Turner Charge Pipe Intercooler C Clip - BMW M57 N54 N55

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T#:638414

Part#: 006617LA01-01

In Stock

Sale - Save 89% $ 34.99

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

$ 3.90 USD

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Sale - Save 89%

$ 34.99

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

$ 3.90 USD

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This clip secures the intercooler charge piping to both the inlet and outlet of the intercooler. (not for use with the throttle body connection) Priced each and appropriate for both sides.

Crankcase Oil Separator Repair Kit - E60 525i 530i 2004-2005 ...

10X Entries Into Our F80 M3 Sweepstakes

T#:2889

Part#: 11617533400-E60

Ships in 1-2 days

$ 454.99

This product was last offered at the strikethrough price on
08-13-2026

$ 414.99 USD

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$ 414.99 USD

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This Crankcase Vent / Oil Separator Repair Kit includes the updated oil separator valve, oil dipstick guide tube and hoses. The kit includes:
1 x 11617533400 - Oil Separator Valve
1 x 11437565440 - Dip Stick Guide Tube
1 x 11617533398 - Hose from Valve to Valve Cover
1 x 11617533399 - Hose from Valve to Intake Manifold
1 x 11157532629 - Hose from Vent Valve to Dipstick1 x 11431740045 - O-ring for Dip Stick Guide Tube

This item fits the following BMWs:
2004-2005 E60 BMW 525i 530i

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Crankcase Oil Separator Repair Kit - E83 X3 2.5i 3.0i 2004-2006 ...

10X Entries Into Our F80 M3 Sweepstakes

T#:2898

Part#: 11617533400-E83

Ships in 1-2 days

$ 400.21

This product was last offered at the strikethrough price on
08-13-2026

$ 359.76 USD

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$ 359.76 USD

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This Crankcase Vent / Oil Separator Repair Kit includes the updated oil separator valve, oil dipstick guide tube and hoses. Suitable for cold weather applications. This kit fits E83 X3 2.5i X3 3.0i 2004-2006.

This item fits the following BMWs:
2004-2006 E83 BMW X3 2.5i X3 3.0i

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Crankcase Oil Separator Repair Kit - E85 Z4 2.5i 3.0i 2003-2006 ...

10X Entries Into Our F80 M3 Sweepstakes

T#:2895

Part#: 11617533400-E85

Ships in 1-2 days

Sale - Save 5% $ 406.99

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

$ 386.64 USD

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Qty

Sale - Save 5%

$ 406.99

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

$ 386.64 USD

Add to Wish List

This Crankcase Vent / Oil Separator Repair Kit includes the updated oil separator valve, oil dipstick guide tube and hoses. This kit fits E85 Z4 2.5i Z4 3.0i 2003-2005.

This item fits the following BMWs:
2003-2006 E85 BMW Z4 2.5i Z4 3.0i

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Turner Motorsport BMW Intake Parts

Sub-Categories

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

Turner Charge Pipe Intercooler C Clip - BMW M57 N54 N55

Crankcase Oil Separator Repair Kit - E60 525i 530i 2004-2005 ...

Crankcase Oil Separator Repair Kit - E83 X3 2.5i 3.0i 2004-2006 ...

Crankcase Oil Separator Repair Kit - E85 Z4 2.5i 3.0i 2003-2006 ...

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