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BMW Intake Parts for BMW 3 Series E91 (2006-2012)

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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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Intake Manifold Upgrade Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:15710827

Part#: 11617559523-KT

In Stock

Sale - Save 25% $ 902.99

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

$ 677.38 USD

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Sale - Save 25%

$ 902.99

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

$ 677.38 USD

Add to Wish List

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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Forge Motorsport Valve Service Kit

T#:28271173

Part#: FMDV004S

Back Ordered

$ 23.99 USD

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$ 23.99 USD

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OEM Mahle Air Filter - N52 3.0L

T#:369093

Part#: 13717542294

Ships in 1 Business Day

$ 31.99 USD

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$ 31.99 USD

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Replacement air filter for the stock airbox, made by OEM supplier Mahle.

4MM Silicone Vacuum Hose - Red - 9 Feet

T#:370918

Part#: VC04R

In Stock

$ 15.99 USD

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$ 15.99 USD

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Enhance Engine Performance with Silicone Vacuum Line

Upgrade your car's vacuum system with the Silicone Vacuum Line, a vital component that significantly impacts engine performance. Engineered to resist heat and contaminants, this silicone hose promises exceptional durability, ensuring prolonged and reliable operation.

Featuring an inner diameter of 4mm and a vibrant red color, this silicone hose arrives in a 9-foot section, offering the flexibility to customize lengths as needed. Damaged vacuum hoses can lead to various performance issues, from rough idling to engine starting problems. Promptly replace worn-out hoses to optimize your vehicle's overall performance.

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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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Forge Silicone Vacuum Hoses

T#:558490

Part#: FORGEVAC

In Stock

Starting at $ 14.99 USD

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Starting at $ 14.99 USD

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Car suffering from vacuum leaks? Choose from a 4mm, 5mm, or 6mm diameter vacuum hose from Forge to fix your leak and bring your BMW back to life.

4MM Silicone Vacuum Hose - Blue - 9 Feet

T#:370917

Part#: VC04

Back Ordered

$ 14.99 USD

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$ 14.99 USD

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Car suffering from vacuum leaks? This vacuum hose has a 4mm inner diameter.

3MM Silicone Vacuum Hose - Red - 9 Feet

T#:370915

Part#: VC03R

In Stock

$ 14.99 USD

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$ 14.99 USD

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Upgrade Your BMW with Forge 3MM Silicone Vacuum Hose - Red - 9 Feet

Upgrade your BMW's vacuum system with the Forge 3MM Silicone Vacuum Hose in Red, a high-quality solution designed for optimal performance and durability. This 9-foot silicone vacuum hose provides superior flexibility and resistance to extreme temperatures, making it ideal for various automotive applications. Engineered with precision, it ensures reliable vacuum pressure for efficient engine operation and component functionality. Whether you're replacing worn-out hoses or customizing your BMW's vacuum setup, the Forge Silicone Vacuum Hose offers reliability and performance you can trust.

High-quality silicone construction for durability
Superior flexibility for easy installation
Resistant to extreme temperatures
Ensures reliable vacuum pressure for efficient engine operation
Ideal for various automotive applications

Car suffering from vacuum leaks? This vacuum hose has a 3mm inner diameter.

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4MM Silicone Vacuum Hose - Black - 9 Feet

T#:370919

Part#: VC04B

In Stock

$ 14.99 USD

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$ 14.99 USD

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Car suffering from vacuum leaks? This vacuum hose has a 4mm inner diameter.

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