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Rein Emissions System

Is your BMW throwing emissions related codes? While we're primarily a BMW performance parts house, we understand the importance of maintaining your emissions system to pass inspection in your area and keep your check engine light off. Pick up your emissions related parts from Turner Motorsport.

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BMW N54 3.0L Blow-By Vent Hose
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T#:594297
Part#: 11157553949
In Stock
Sale - Save 5% $ 40.36

This product was last offered at the strikethrough price on
06-29-2026

$ 38.34 USD
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$ 40.36

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This hose directs the oil & combustion vapors from the valve cover and directs them to the intake manifold where they are put through combustion again in order to reduce emissions. When installing one of our N54 Oil Catch Cans the connections on this hose will often break. We recommend replacing this hose at the same time as your catch can. When doing any sort of repair or maintenance there is no replacement for genuine factory parts. Turner Motorsport carries the Genuine BMW brand with pride and has the parts you need to complete your next project with confidence.
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Rein Crankcase Ventilation Return Pipe - E60, E90, Z4
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T#:402081
Part#: 11157567801
In Stock at Vendor
Sale - Save 5% $ 81.04

This product was last offered at the strikethrough price on
06-29-2026

$ 76.99 USD
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06-29-2026

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Located under intake manifold
Rein - Crank Case Vent Hose - F10 M5, F12 M5, F13 M6
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T#:26404796
Part#: 11157843151
In Stock
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This product was last offered at the strikethrough price on
06-29-2026

$ 31.34 USD
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$ 32.99

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$ 31.34 USD
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Rein Crank Case Vent Hose is a high-quality replacement part designed to enhance the performance and longevity of your vehicle’s engine. Manufactured by Rein Automotive, this vent hose is built to withstand high pressures and temperatures, ensuring reliable crankcase ventilation. Engineered for a precise fit, it helps prevent harmful oil vapors from entering the intake manifold, improving overall engine efficiency. Available at Turner Motorsport, this vent hose is an ideal choice for drivers looking to maintain their vehicle’s performance and emissions standards.

  • Designed for optimal crankcase ventilation, improving engine performance
  • Reduces oil vapor contamination in the intake system, protecting engine components
  • Made with durable materials to resist wear from heat and pressure
  • Ensures precise fit and easy installation as a direct OEM replacement
  • Helps reduce harmful emissions, supporting cleaner engine operation

Turner Motorsport offers the Rein Crank Case Vent Hose as a dependable solution to keep your engine running smoothly while meeting emissions regulations.

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OEM Rein Cylinders 5-8 Crankcase Ventilation Connecting Pipe - E70/1 ...
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T#:402034
Part#: 11157646087
In Stock
Sale - Save 5% $ 53.99

This product was last offered at the strikethrough price on
06-29-2026

$ 51.29 USD
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Connects to the valve cover over cylinders 1-4. These pipes tend to crack after become brittle from numerous heating and cooling cycles. If this happens, OEM Rein pipes are a perfect replacement to restore a tight seal and prevent any check engine codes.
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PCV Vent Pipe
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T#:594381
Part#: 11127588417
In Stock at Vendor
Sale - Save 7% $ 84.99

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

$ 78.83 USD
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$ 84.99

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$ 78.83 USD
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Connects to the PCV outlet on the valve cover
BMW Oil Separator Valve | M60 3.0 / 4.0L
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T#:39059261
Part#: 11151747066
In Stock
Sale - Save 6% $ 31.99

This product was last offered at the strikethrough price on
06-29-2026

$ 30.13 USD
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BMW Oil Separator Valve | M60 3.0 / 4.0L is a vital component that ensures proper crankcase ventilation by separating oil vapors from blow-by gases, preventing excessive oil consumption and maintaining engine efficiency. Designed for BMW models equipped with the M60 3.0L and 4.0L engines, this oil separator valve helps reduce carbon buildup and extends the life of essential engine components. For optimal results, it is recommended to replace the valve cover and crankcase ventilation system (CCV) when changing the separator valve.

  • Effectively separates oil vapors to prevent excessive oil consumption
  • Helps maintain proper crankcase ventilation for optimal engine performance
  • Reduces carbon buildup and prolongs engine longevity
  • Direct-fit replacement for BMW M60 3.0L and 4.0L engines
  • High-quality materials ensure durability and resistance to engine heat
  • Recommended to replace valve cover and CCV for complete system maintenance

Ensure the longevity and efficiency of your BMW engine by replacing a worn oil separator valve with this high-quality replacement.

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Crankcase Ventilation Hose Kit M54 Engine
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T#:379190
Part#: 11617504535K
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This product was last offered at the strikethrough price on
06-29-2026

$ 75.99 USD
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Turner Motorsport presents the Crankcase Ventilation System Refresh Kit for BMW owners experiencing malfunctioning or aged CCV systems. This comprehensive kit includes all necessary hoses to complete a refresh, ensuring optimal performance and reliability for your BMW's CCV system.

  • Addresses malfunctioning CCV systems
  • Ensures proper ventilation of the crankcase
  • Comprehensive kit includes all necessary hoses
  • Restores performance and reliability
  • Compatible with various BMW models
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OEM Rein Cylinders 1-4 Crankcase Ventilation Connecting Pipe - E70/1 ...
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T#:402033
Part#: 11157646086
In Stock
Sale - Save 5% $ 50.99

This product was last offered at the strikethrough price on
06-29-2026

$ 48.44 USD
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$ 50.99

This product was last offered at the strikethrough price on
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Connects to the valve cover over cylinders 1-4. These pipes tend to crack after become brittle from numerous heating and cooling cycles. If this happens, OEM Rein pipes are a perfect replacement to restore a tight seal and prevent any check engine codes.
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Rein Crank Case Vent Hose - E60, E82, E83, E88, E90, E91, E92, E93, Z...
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T#:402018
Part#: 11157559528
In Stock
Sale - Save 5% $ 48.99

This product was last offered at the strikethrough price on
06-29-2026

$ 46.54 USD
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$ 48.99

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Over time this hose can become clogged and blocked up causing running problems. This is a direct factory replacement for the PCV hose.

OEM Rein Crankcase Vent Hose - F10 F12 F13 M5 M6
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T#:39059240
Part#: 11157843150
In Stock
Sale - Save 7% $ 34.99

This product was last offered at the strikethrough price on
06-29-2026

$ 32.47 USD
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$ 34.99

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The Crankcase Vent Hose is a crucial component that helps regulate crankcase pressure and prevent oil vapor buildup, ensuring optimal engine performance. Designed as a direct replacement for BMW part number 11157843150, this high-quality vent hose restores proper ventilation to protect vital engine components.
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Rein Crankcase Vent Hose
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T#:17804807
Part#: 11157522931
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Sale - Save 5% $ 44.99

This product was last offered at the strikethrough price on
06-29-2026

$ 42.74 USD
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$ 44.99

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Manufactured with high-quality materials to withstand heat, dirt, oil, and other debris.
BMW N63 4.4L Vent Pipe - Each
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T#:7244416
Part#: 11158647961
In Stock
Sale - Save 50% $ 327.99

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

$ 163.39 USD
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05-04-2026

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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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Rein - Crank Case Breather Pipe
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T#:34080765
Part#: 11151705301
In Stock
Sale - Save 6% $ 21.99

This product was last offered at the strikethrough price on
06-29-2026

$ 20.65 USD
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$ 21.99

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$ 20.65 USD
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The Rein Crank Case Breather Pipe is a high-quality replacement part designed specifically for BMW models, ensuring proper engine ventilation and maintaining optimal performance. This crucial component prevents pressure build-up in the crankcase, reducing the risk of oil leaks and protecting vital engine parts. Manufactured to meet or exceed OEM standards, the Rein Crank Case Breather Pipe guarantees a perfect fit and long-lasting durability. Available through Turner Motorsport, this pipe is the ideal solution for BMW owners looking to restore or upgrade their engine’s ventilation system.

  • Designed for BMW models to ensure perfect fit and compatibility
  • Prevents crankcase pressure build-up, reducing the risk of oil leaks
  • Protects engine components from damage due to excess pressure
  • Made from high-quality, durable materials for long-lasting performance
  • Direct-fit replacement for easy and hassle-free installation
  • Meets or exceeds OEM specifications for reliable engine performance

Upgrade your BMW’s engine ventilation system with the Rein Crank Case Breather Pipe, ensuring smooth performance and protecting against costly repairs.

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Secondary Air Injection Hose - Pump To Valve
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T#:594379
Part#: 11727557910
In Stock
Sale - Save 5% $ 35.99

This product was last offered at the strikethrough price on
06-29-2026

$ 34.19 USD
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$ 35.99

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$ 34.19 USD
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Connects the air pump to the cold start valve.
Rein Crankcase Vent Pipe - Cylinders 1-4 - E70, E71, F01, F02, F07, F...
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T#:591595
Part#: 11157575640
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Sale - Save 5% $ 42.99

This product was last offered at the strikethrough price on
06-29-2026

$ 40.84 USD
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$ 42.99

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$ 40.84 USD
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Replace your damaged crank vent pipe

Rein Crankcase Vent Pipe - Cylinders 5-8 - E70, E71, F01, F02, F07, F...
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T#:591596
Part#: 11157575641
In Stock
Sale - Save 7% $ 45.99

This product was last offered at the strikethrough price on
04-30-2026

$ 42.74 USD
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$ 45.99

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$ 42.74 USD
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Replace your damaged crank vent pipe

Crankcase Vent Valve - E36 318i/is/ti, Z3 1.9
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T#:7968540
Part#: 11157501567
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Sale - Save 5% $ 31.99

This product was last offered at the strikethrough price on
06-29-2026

$ 30.39 USD
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This crank case vent valve (CCV) / oil separator / PCV valve helps to trap oil from the crank case. If this unit becomes plugged or develops a leak it can lead to rough idle or driveability issues. This item fits the following BMWs: 1992-1998 E36 BMW 318i 318is 318ti 318ic 1997-2002 Z3 BMW Z3 1.9
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Rein Crankcase Ventilation Hose - E60, E61, E90, E91
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T#:591594
Part#: 11157567802
Ships in 4 Business Days
Sale - Save 5% $ 74.99

This product was last offered at the strikethrough price on
06-29-2026

$ 71.24 USD
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From oil separator to oil pan vent tube

Upper Oil Separator Vent Tube
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T#:378292
Part#: 11617504535
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This product was last offered at the strikethrough price on
06-29-2026

$ 21.84 USD
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$ 22.99

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Runs from the top of the oil separator up to intake manifold.
Vent Hose
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T#:594296
Part#: 11157513756
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Sale - Save 5% $ 35.75

This product was last offered at the strikethrough price on
06-29-2026

$ 33.96 USD
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$ 35.75

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Connects the intake manifold to the valve cover

Rein Secondary Air Pump - Pressure Hose - E39
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T#:591850
Part#: 11721435456
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This product was last offered at the strikethrough price on
06-29-2026

$ 22.79 USD
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$ 23.99

This product was last offered at the strikethrough price on
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Located in the drivers side wheel well

Upper Oil Separator Vent Tube
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T#:552486
Part#: 11617533399
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This product was last offered at the strikethrough price on
06-29-2026

$ 34.19 USD
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Runs from the top of the oil separator up to rear of the intake manifold.
OEM Rein CCV Hose - E60/1/3/4/5/6 E70 N62
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T#:402019
Part#: 11617563477
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Sale - Save 5% $ 104.99

This product was last offered at the strikethrough price on
06-29-2026

$ 99.74 USD
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$ 104.99

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$ 99.74 USD
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Is your Crankcase Ventilation system malfunctioning? Or maybe it's just time to refresh the system? This part is the necessary hose to refresh your CCV system.
OEM Rein Oil Separator Vent Hose - E60/61 E90/91 Z4
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T#:13029
Part#: 11617559530
Ships in 1-2 days
Sale - Save 8% $ 66.99

This product was last offered at the strikethrough price on
05-07-2026

$ 61.48 USD
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$ 61.48 USD
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BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate. Replace this and all the other components of the oil separator system to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable.
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Rein Crank Case Ventilation Valve - Priced Each
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T#:17738377
Part#: 11158647299
In Stock
Sale - Save 12% $ 79.99

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

$ 70.29 USD
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$ 79.99

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03-26-2026

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Rein's OE quality breather hose helps prevent pressure build-up in the engine.
Rein Air Pump Hose - Z3
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T#:592970
Part#: 11721432867
Back Ordered
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This product was last offered at the strikethrough price on
06-29-2026

$ 86.44 USD
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$ 90.99

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$ 86.44 USD
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Replace your leaking emissions hose
BMW Crankcase Pressure Regulator Valve
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T#:46478579
Part#: ABH0263
In Stock
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This product was last offered at the strikethrough price on
06-29-2026

$ 22.35 USD
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BMW has an ongoing issue with oil separators freezing in cold weather if driving is done before the vehicle is fully warmed up. There is often a howling noise followed by numerous oil leaks. The crankcase breather valve is used to purge the oil vapor from the engine block into the valve cover. However, sometimes condensation can cause it to freeze, causing the entire oil separator system to fail, crack, and disintegrate. Replace this and all the other components of the oil separator system to prevent damage to all the aspects of your engine. As long as you have everything off, you can rest assured that new parts will last and be reliable.
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Rein PCV Hose - E36, Z3
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T#:379766
Part#: 11151740393
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This product was last offered at the strikethrough price on
03-24-2026

$ 6.99 USD
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$ 9.99

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03-24-2026

$ 6.99 USD
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Attaches the PCV to the oil dipstick tube

Rein - Crankcase Vent Hose E46 Z3 M Roadster, E46 Z3 M Coupe ...
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T#:34181269
Part#: 11157831311
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Sale - Save 7% $ 11.99

This product was last offered at the strikethrough price on
06-29-2026

$ 11.11 USD
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$ 11.99

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$ 11.11 USD
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Crankcase Vent Hose ABV0329 is an essential component designed for BMW engines, ensuring optimal performance of the crankcase ventilation system. This high-quality vent hose plays a critical role in regulating and redirecting excess gases from the crankcase back into the engine's intake, reducing harmful emissions and preventing pressure buildup. Crankcase Vent Hose ABV0329 helps maintain engine efficiency and protects against potential damage caused by over-pressurization or oil leaks.

Made from durable, heat-resistant materials, this hose is built to withstand the high temperatures and pressures common in BMW engines. It is a direct-fit replacement, making installation simple and efficient for both professionals and DIY mechanics. Available from Turner Motorsport, Crankcase Vent Hose ABV0329 is the perfect solution for restoring and maintaining your BMW’s crankcase ventilation system.

Key Benefits:

  • Ensures proper crankcase ventilation for optimal engine performance
  • Reduces harmful emissions by redirecting excess gases into the intake
  • Prevents pressure buildup and protects against oil leaks
  • Constructed from durable, heat-resistant materials for long-lasting reliability
  • Direct-fit replacement, ensuring easy installation for various BMW models
  • Available from Turner Motorsport, a trusted source for BMW performance parts
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Rein - Crank Case Vent Valve (CCV) E53 X5, E52 Z8
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T#:33980389
Part#: 11617508541
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$ 32.99

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06-10-2026

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Located on the intake manifold this valve is engineered to reduce internal pressure, minimize the risk of oil leaks, and help your engine run more efficiently

Crankcase Vent Hose - Cylinders 1-4
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T#:384973
Part#: 11617547185
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Should be replaced anytime leaks are detected
Upper Oil Separator Vent Tube
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T#:384805
Part#: 11611440317
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Rein Crankcase Ventilation Hose - E34, E36
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T#:379698
Part#: 11151726828
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Connected to valve cover connector

Rein Return Pipe - E39, E46, E53, E60, E83, Z3, Z4
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T#:375092
Part#: 11617504536
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Runs from the intake manifold back to connecting hose
BMW PCV Valve - Right Cylinder Bank
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T#:45723145
Part#: 11157563506
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The Pressure Control Ventilation (PCV) valve is designed to route high-pressure blow-by gases from the crankcase into the intake manifold, relieving excess pressure while recycling gases back into the combustion process. When the PCV valve fails, it can lead to excessive oil consumption, rough idle, and stored engine fault codes. Replacing a worn or faulty valve restores proper crankcase ventilation, smooths out idle, clears codes, and helps keep your engine performing at its best.
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Hose - From Oil Separator to Oil Dipstick Tube - E46 E39
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T#:2879
Part#: 11157532629
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This is the updated hose that goes from the Crankcase Oil Separator Valve to the oil dipstick tube. This tube tends to get plugged with oil sludge and becomes brittle and cracks. It fits E46 323i 323ci 325i (M54) 325ci (M54) 325xi 328i 328ci 330i 330ci 330xi - E39 525i 530i - E60 525i 530i 2004-2005 - X3 2.5i 3.0i 2004-2006 - Z3 2.5i 3.0i - Z4 2.5i 3.0i 2003-2006.
In german, Rein means Pure. In the automotive industry the Rein name has quickly come to represent quality. With fitments for some of the world’s finest automobiles including BMW and Mini and guaranteed OE quality, Rein is a name you can trust.

This item fits the following BMWs:
2001-2005 E46 BMW 325i 325ci 325xi Only for cars with M54 engine
1999-2005 E46 BMW 323i 323ci 328i 328ci 330i 330ci 330xi
2001-2003 E39 BMW 525i 530i
2004-2005 E60 BMW 525i 525xi 530i 530xi
2004-2006 E83 BMW X3 2.5i X3 3.0i
2001-2002 Z3 BMW Z3 2.5i Z3 3.0i
2003-2005 Z4 BMW Z4 2.5i Z4 3.0i
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Rein Crankcase Ventilation Hose - Cylinders 1-4
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T#:17738390
Part#: 11617563476
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Manufactured with high-quality materials to withstand heat, dirt, and debris, matching OE expectations.
BMW Oil Separator Valve | E38 E39 540i 740i 740iL M62 4.4L Engine ...
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T#:39059263
Part#: 11151705272
In Stock at Vendor
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$ 23.75 USD
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BMW Oil Separator Valve | E38 E39 540i 740i 740iL M62 4.4L Engine is an essential component designed to maintain optimal engine performance by purging oil vapors from the engine block into the valve cover. This valve features four hoses connecting it to the dipstick, valve cover, and air intake system, ensuring efficient crankcase ventilation. BMW engines, especially in colder climates, are known to experience issues with oil separators freezing if the engine isn't properly warmed up, leading to symptoms such as howling noises followed by oil leaks.

  • Effectively purges oil vapors from the engine block to maintain clean operation
  • Designed for BMW E38 and E39 models with M62 4.4L engine
  • Helps prevent oil separator freezing in cold weather conditions
  • Features four hoses connected to the dipstick, valve cover, and air intake for optimal ventilation
  • Reduces engine sludge buildup, preventing potential damage and maintaining efficiency
  • Durable construction to withstand high temperatures and the demands of the engine

Replace a worn oil separator valve to maintain the proper ventilation and efficiency of your BMW engine, preventing oil leaks and other performance issues.

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OEM Rein Oil Separator Vent Hose - E60/1 E90/1 N52
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T#:402020
Part#: 11617522933
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If your BMW has a damaged vent hose, be sure to replace it to restore functionality of this rather important emissions system.

Crankcase Vent Hose - Cylinders 5-8
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T#:384972
Part#: 11617547186
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Should be replaced anytime leaks are detected

Oil Separator Valve
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T#:594299
Part#: 11617531423
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$ 114.77 USD
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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.
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PCV Valve - Left Cylinder Bank
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T#:45723146
Part#: 11157563505
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This product was last offered at the strikethrough price on
04-28-2026

$ 14.95 USD
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The Pressure Control Ventilation (PCV) valve is designed to route high-pressure blow-by gases from the crankcase into the intake manifold, relieving excess pressure while recycling gases back into the combustion process. When the PCV valve fails, it can lead to excessive oil consumption, rough idle, and stored engine fault codes. Replacing a worn or faulty valve restores proper crankcase ventilation, smooths out idle, clears codes, and helps keep your engine performing at its best.
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Vacuum Pipe
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T#:17704694
Part#: 11157603816
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06-29-2026

$ 34.19 USD
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Rein Crank Case Ventilation Valve
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T#:17704764
Part#: 11158647298
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$ 58.71 USD
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Designed to be a direct fit for OEM hoses, Rein has replacements for an affordable cost.

Valve Cover Vent Hose - E30 325e 325i E28 528e E34 525i
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T#:6692
Part#: 11151708801
In Stock
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06-04-2026

$ 9.66 USD
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This is the engine PCV vent hose that connects to the valve cover. A cracked hose can lead to rough idle and poor running. Replace your dry or cracked hose today.1987-1991 E30 BMW 318i 318is 318ic 325e 325es 325i 325ic 325is 325ix M3
12/1986-1988 E28 BMW 524td 528e 533i 535i 535is M5
1989-1990 E34 BMW 525i
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Pressure Hose
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T#:362278
Part#: 11727555680
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06-05-2026

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Runs from the air pump to the solenoid valve
Rein Crankcase Ventilation Hose - E39, E46, E60, E83, Z3, Z4 ...
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T#:359420
Part#: 11157532649
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ENGINE VENT HOSE 11157532649
OEM Rein Crankcase Ventilation Hose - E53 X5
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T#:6708
Part#: 11157556837
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Over time, coolant hoses begin to get brittle and are susceptible to cracking and splitting. Replace your cracked or leaking coolant hose to prevent further leaks and potentially catastrophic failure.

This item fits the following BMWs:
BMW X Series - X5 4.4i, X5 4.6is

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Secondary Air Injection Hose - Pump To Valve E53 X5
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T#:33980387
Part#: 11721438102
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E53 X5 Secondary Air Injection Hose - Pump To Valve is a crucial component designed to ensure the proper functioning of your vehicle’s secondary air injection system. This hose connects the air pump to the valve, allowing the system to inject air into the exhaust stream for improved emissions control. Crafted from durable, heat-resistant materials, this hose is engineered to withstand the extreme temperatures and pressures of the engine bay. Available at Turner Motorsport, it’s the ideal replacement for maintaining your BMW E53 X5’s emissions performance and ensuring compliance with regulatory standards.

  • Optimizes secondary air injection, reducing harmful emissions and improving exhaust performance
  • Manufactured with high-quality, heat-resistant materials for long-lasting durability
  • Direct fit replacement, ensuring easy installation and compatibility with OEM specifications
  • Supports emission control systems, helping your vehicle meet emissions regulations
  • Helps prolong the life of the exhaust system by promoting better combustion during cold starts

Turner Motorsport provides the E53 X5 Secondary Air Injection Hose - Pump To Valve by Rein as a reliable solution to maintain your vehicle’s emissions system and overall engine efficiency.

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Rein Crankcase Vent Hose - E34
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T#:379791
Part#: 11151735150
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Part of the PCV system