Oil Separation & Breather System for BMW X Series F15 (2014+)

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Every car has a crankcase vent system that is supposed to suppress oil from making it into the intake ports and combustion chamber. A good functioning system will separate oil from the atmosphere and return it to the oil pan (or collect it in a catch can) while allowing the leftover vapors to burn in the combustion chamber or recirculate through the system. This has always been known as a PCV system (Positive Crankcase Ventilation) but BMW has several other names for it - oil separator, crankcase vent (CCV), and cyclonic separator. Failures in the system will allow raw oil to enter the intake and eventually into the engine itself which can have disastrous effects on engine performance and longevity. As emissions regulations on oil and gas venting have gotten more stringent the PCV systems have gotten more complex and failure prone. And because the CCV is intertwined with other systems you could experience rough running, loss of power, higher oil consumption, misfiring, stalling, or other annoying issues. There is no replacement interval for these so we recommend inspecting your crankcase vent system as part of your regular maintenance routines. Symptoms of a bad crankcase vent are: whitish or yellowish film on the underside of the oil cap, whistling/squealing noises (not caused by a belt), suction on the oil cap that makes it hard to unscrew, large amounts of white smoke from the exhaust, and excessive oil consumption.

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Upgraded Silicone PCV Hose - (11127588417) - N20/N26
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Turner Motorsport - Corporate Logo
T#:46203566
Part#: 018501LA02
In Stock
$ 99.99 USD
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$ 99.99 USD
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Due to weak plastic construction, the factory plastic crankcase ventilation breather hose is known to fail. After years of exposure to piping-hot engine bay temperatures and chemical-laden oil vapors, the corrugated plastic tubing can crack, crumble, or fail altogether.

We set out to bulletproof your N20 PCV system with a durable silicone breather hose, designed to provide a comprehensive upgrade and permanent replacement for the factory plastic hose. By replacing the flimsy, heat-hardened OEM plastic hose with a four-ply fluorosilicone hose, you'll experience peace of mind knowing your N20 is free from the inevitable return of oil leaks, vacuum leaks, and drivability concerns that would have been.

This breather hose is found at the front of the engine, and is used to connect the inlet pipe to the valve cover. It replaces OEM part number 11127588417.

Features:

Silicone construction ensures a durable replacement that is sure to outlast OE plastic
Designed as a direct replacement for the factory breather hose
Retains heating function and OE electrical connector
Design:

Four-ply wire-reinforced fluorosilicone hose is designed to resist degradation due to exposure to oil vapors
O-rings are pre-installed in OE connectors for a lasting seal
Includes pre-installed zinc-coated hose clamps for durability and corrosion resistance
Product Development:

Our Silicone PCV Hose Upgrade was designed, engineered, tested, and quality inspected by our Research and Development team in our Wadsworth, Ohio, facility. We strive for the highest level of precision and quality through leading-edge product development technology, including FARO laser scanning for reverse engineering and quality inspection, SolidWorks 3D CAD modelling, rapid prototyping utilizing our in-house 3D printer, and rigorous long-term product testing.

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Genuine BMW PCV Vent Pipe - N20 2.0L
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Genuine BMW - Corporate Logo
T#:31520
Part#: 11127588417
In Stock
5% off MSRP $ 72.41

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 68.65 USD
Free Shipping on orders $49 and up
5% off MSRP
$ 72.41

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 68.65 USD
Free Shipping on orders $49 and up


Genuine BMW Vent Hose -
This item fits the following BMW Chassis:
E89 Z4,F10,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36

Fits BMW Engines including:
N20,N26

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Genuine BMW Oil Separator and Seal Kit
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Genuine BMW - Corporate Logo
T#:528933
Part#: 11158636541
In Stock
6% off MSRP $ 515.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 482.99 USD
Free Shipping
6% off MSRP
$ 515.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 482.99 USD
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### **Genuine BMW Oil Separator & Seal Kit – Overview** The **Genuine BMW Oil Separator & Seal Kit** is a crucial OEM component designed to optimize engine performance by regulating crankcase ventilation and minimizing oil buildup in the intake system. ### **Key Features:** - **OEM Precision:** Direct-fit replacement, ensuring compatibility and reliability for BMW engines - **Crankcase Ventilation Management:** Prevents excessive oil vapors from entering the intake, reducing carbon deposits - **High Durability:** Constructed from premium materials to withstand high temperatures and pressure - **Complete Kit:** Includes necessary seals and gaskets to ensure a secure, leak-free installation ### **Benefits:** - Prevents oil consumption and sludge accumulation - Enhances engine efficiency and longevity - Reduces emissions by effectively controlling oil vapor circulation Ideal for **routine maintenance** or **replacing a worn PCV system**, this kit helps keep your BMW running at peak performance. Need assistance finding the right part number for your specific model?
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PCV Vent Pipe
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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:594381
Part#: 11127588417
In Stock
$ 84.99

This product was last offered at the strikethrough price on
03-31-2026

$ 58.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 84.99

This product was last offered at the strikethrough price on
03-31-2026

$ 58.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Connects to the PCV outlet on the valve cover

Genuine BMW Crank Case Ventilation Valve - N63 4.4L
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Genuine BMW - Corporate Logo
T#:216971
Part#: 11158647299
In Stock
10% off MSRP $ 208.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 191.99 USD
Limited Qty Sale
Free Shipping
10% off MSRP
$ 208.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 191.99 USD
Limited Qty Sale
Free Shipping
Genuine Bmw Connecting Line - 11158647299
ECS Tuning Baffled Oil Catch Can - 8oz
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ECS - Corporate Logo
T#:13496655
Part#: 003779ECS05-02
In Stock
Sale - Save 5% $ 233.99

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

$ 222.11 USD
Free Shipping on orders $49 and up
Sale - Save 5%
$ 233.99

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

$ 222.11 USD
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Upgrade Your BMW with ECS Baffled Oil Catch Can

Modern emission regulations require a closed PCV/Breather system for cleaner operation. However, inefficient oil particle capture can lead to excessive oil vapor ingestion, causing carbon buildup, reduced performance, and fuel economy. ECS Tuning's updated ECS Baffled Oil Catch Can, now with an easy-to-empty 1/4" drain fitting, is engineered to collect toxic blow-by gases, minimize carbon deposits, and reduce oil contamination within engine oil. Recirculating oil vapor ensures emissions compliance without venting to the atmosphere.

  • Key Features:
  • Highly Efficient Oil Separator: Strategically positioned 4 chamber baffle system maximizes oil/air separation and minimizes oil droplets in the intake tract.
  • Integrated Dipstick: Knurled and black anodized oil dipstick simplifies oil volume inspection.
  • Reservoir: Available in 6oz or 8oz capacity with a 1/4" NPT drain plug fitting.
  • Serviceable: Easily removable baffle plates and drain plug for cleaning.
  • Easy/Customizable Installation: Combine with the ECS Universal Bracket Kit for simplified installation and adjustable mounting locations.
  • Leak-Free Fittings: Machined -10AN ORB (O-Ring Boss) fittings available for secure connections (fittings sold separately).
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PCV Vent Pipe
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Bremmen Parts - Corporate Logo
T#:26438184
Part#: 11127588417
In Stock
Sale - Save 21% $ 63.99

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

$ 50.58 USD
Free Shipping on orders $49 and up
Sale - Save 21%
$ 63.99

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

$ 50.58 USD
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BMW N63 4.4L Vent Pipe - Each
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2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:7244416
Part#: 11158647961
In Stock at Vendor
$ 327.99

This product was last offered at the strikethrough price on
05-04-2026

$ 318.99 USD
Free Shipping
$ 318.99 USD
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BMW N63 4.4L Vent Pipe

The BMW N63 4.4L Vent Pipe addresses common issues with oil separators freezing in cold weather conditions. This problem often occurs if the vehicle is driven before it is fully warmed up, leading to a howling noise and multiple oil leaks. The crankcase breather valve in the vent pipe purges oil vapor from the engine block into the valve cover. However, condensation can sometimes cause the valve to freeze, which may result in the oil separator system failing, cracking, or disintegrating. This replacement vent pipe ensures proper function and prevents costly damage by maintaining the integrity of the oil separator system.

Benefits:

  • Prevents Freezing Issues: Reduces the risk of oil separator failure in cold weather conditions.
  • Eliminates Oil Leaks: Helps prevent leaks caused by frozen oil separators.
  • Ensures Proper Ventilation: Maintains effective purging of oil vapor from the engine block.
  • Durable Construction: Built to withstand harsh weather conditions and engine stress.
  • Direct Replacement: Designed to fit seamlessly with BMW N63 4.4L engines.
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Genuine BMW Vacuum pipe
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Genuine BMW - Corporate Logo
T#:174243
Part#: 11157603816
Ships in 1 day
7% off MSRP $ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 42.00 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 42.00 USD
Free Shipping on orders $49 and up


Genuine BMW Vacuum Pipe -
This item fits the following BMW Chassis:
E89 Z4,F10,F22,F25 X3,F26 X4,F30,F31,F32,F33,F34,F36

Fits BMW Engines including:
N20,N26

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Vacuum Pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:37159
Part#: 11667575774
In Stock
7% off MSRP $ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 42.00 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 42.00 USD
Free Shipping on orders $49 and up


Genuine BMW Vacuum Pipe -
This item fits the following BMW Chassis:
E71,E82,E90,E92,E93,F06,F10,F12,F13,F15,F16

Fits BMW Engines including:
N55

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Genuine Bmw Connecting Line - 11158647298
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:216970
Part#: 11158647298
Ships in 1 day
5% off MSRP $ 223.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 212.99 USD
Free Shipping
5% off MSRP
$ 223.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 212.99 USD
Free Shipping
Genuine Bmw Connecting Line - 11158647298
Rein Crank Case Ventilation Valve - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:17738377
Part#: 11158647299
Back Ordered
$ 79.99

This product was last offered at the strikethrough price on
03-26-2026

$ 73.99 USD
Free Shipping on orders $49 and up
$ 73.99 USD
Free Shipping on orders $49 and up
Rein's OE quality breather hose helps prevent pressure build-up in the engine.


Rein Crank Case Ventilation Valve
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!
Rein - Corporate Logo
T#:17704764
Part#: 11158647298
Ships in 3 Business Days
$ 61.80 USD
Free Shipping on orders $49 and up
Designed to be a direct fit for OEM hoses, Rein has replacements for an affordable cost.
Vacuum Pipe - F02, F10, F15
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:201083
Part#: 11668513294
Ships in 1 day
7% off MSRP $ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 42.00 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 42.00 USD
Free Shipping on orders $49 and up


Genuine BMW Vacuum Pipe -
This item fits the following BMW Chassis:
F15

Fits BMW Engines including:
N57N

Vacuum Pipe - E70, E71, F15, F16
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:37164
Part#: 11667584945
Ships in 1 day
7% off MSRP $ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 42.00 USD
Free Shipping on orders $49 and up
7% off MSRP
$ 44.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 42.00 USD
Free Shipping on orders $49 and up


Genuine BMW Vacuum Pipe With Non-Return Valve -
This item fits the following BMW Chassis:
E71,F15,F16

Fits BMW Engines including:
N55


Vacuum Pipe - E70, E71, F15, F16, F85, F86
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:37151
Part#: 11667564502
Ships in 4 Business Days
5% off MSRP $ 121.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 115.99 USD
Free Shipping
5% off MSRP
$ 121.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 115.99 USD
Free Shipping


Genuine BMW Vacuum Pipe
This item fits the following BMW Chassis:
E70 X5M,E71 X6M,E70 X5 X5,E71 X6,F15,F16

Fits BMW Engines including:
N51,N63,N63N,S63

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Vacuum Pipe
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremmen Parts - Corporate Logo
T#:52586629
Part#: 11157603816
Ships on Aug 12, 2026
New Item
Sale - Save 20% $ 29.99

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

$ 23.99 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 29.99

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

$ 23.99 USD
Free Shipping on orders $49 and up
Crank Case Ventilation Valve - Priced Each
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bremmen Parts - Corporate Logo
T#:53326230
Part#: 11158647299
Ships on Oct 23, 2026
New Item
Sale - Save 20% $ 80.99

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

$ 64.79 USD
Sale - Save 20%
$ 80.99

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

$ 64.79 USD