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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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Fuel Tank Breather Valve

10X Entries Into Our F80 M3 Sweepstakes

T#:25075803

Part#: 13907643106

In Stock

$ 55.19 USD

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$ 55.19 USD

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Bosch Fuel Tank Breather Valve - 13907643106

T#:18468288

Part#: 13907643106

In Stock

$ 73.14 USD

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$ 73.14 USD

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Common CEL cause on B48/B58/S58. Get your fuel system functioning properly again!

Bav Auto Crankcase Pressure Regulator Valve - BMW M52 M54

10X Entries Into Our F80 M3 Sweepstakes

T#:640207

Part#: 11617501566

In Stock

$ 26.39 USD

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$ 26.39 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. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Crankcase Ventilation Return Hose - E46 E39 E60 Z3

10X Entries Into Our F80 M3 Sweepstakes

T#:638072

Part#: 11617504536

In Stock

$ 21.59 USD

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$ 21.59 USD

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This is the BMW crankcase return line that goes from the intake manifold to the top CCV connecting hose. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Crank Case Ventilation Valve - E31 E38 E39 M62 4.4L ...

10X Entries Into Our F80 M3 Sweepstakes

T#:640206

Part#: 11617501563

In Stock

$ 38.39 USD

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$ 38.39 USD

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An integral part of the emissions system, the PCV valve lets the crankcase breathe. This allows proper intake and exhaust flow, resulting in proper running and operation. When the crankcase vent valve fails it can cause excessive oil consumption, engine fault codes, and poor idle. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Vent Hose - From Valve Cover to Oil Separator - E36 E39 Z3 ...

10X Entries Into Our F80 M3 Sweepstakes

T#:579869

Part#: 54546

In Stock

$ 21.59 USD

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$ 21.59 USD

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Bav Auto Intake Manifold Cover w/ PCV Valve - BMW E31 E32 E34 E38 M6...

10X Entries Into Our F80 M3 Sweepstakes

T#:639843

Part#: 11617501562

Special Order: No Guaranteed ETA

$ 50.99 USD

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$ 50.99 USD

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An integral part of the emissions system, the PVC valve lets the crankcase breathe. This allows proper intake and exhaust flow, resulting in proper running and operation. Often split from underhood heat and age, this vents excess oil into the engine compartment. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Bav Auto Upper Oil Separator Vent Tube - E36 E46 E60 E84 Z3 Z4 M54 M5...

10X Entries Into Our F80 M3 Sweepstakes

T#:640502

Part#: 11617504535

In Stock

$ 19.99 USD

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$ 19.99 USD

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Runs from the top of the oil separator up to rear of the intake manifold. From 1974 to 2019, Bavarian Autosport was one of the premier vendors for BMW and MINI auto parts. We are happy to preserve the Bav Auto legacy by continuing to carry their high-quality products into the future. All Bav Auto parts will remain unchanged in design and sourced from the same OEM suppliers to ensure long-lasting reliability. We trust these parts, accessories, and upgrades so confidently that we back every Bavarian Autosport branded component with a 2-year warranty.

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Oil Separator Hose - E46, Z4

10X Entries Into Our F80 M3 Sweepstakes

T#:579880

Part#: 55080

In Stock

$ 19.99 USD

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$ 19.99 USD

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Cold climate version for extra insulation! Fits all E46 and Z4 chassis equipped with an M54 engine.

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Emissions System
- Oil Separation & Breather System (7)
- Valves (2)

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