Emissions System

B58 PCV Repair Kit

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T#:23980285

Part#: 1112764517PCV

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Though BMW's B58 engine has proven to be mostly reliable, it does have one well-known problem, failure of the PCV Valve. This issue is especially common on cars with upgraded turbos. Signs that your BMW has experienced this failure include misfires, a rough idle, oil in the the intake/chargepipe, or white smoke coming from the exhaust. The good news is that this is easily fixed and is very affordable! This kit contains all of the items necessary to repair your PCV valve and restore the smooth operation of your B58 engine.

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Bremmen Crankcase Vent Hose - E60 E70 E82/88 E9X N52 3.0L

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T#:640155

Part#: 11157559528

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This valve cover vent hose helps to vent the crankcase fumes on BMW's with the N51 / N52 6 cylinder engines. If replacing the valve cover, we recommend purchasing this item as well as it often will break while removing it from the valve cover.

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Bremmen "Cold Climate" Crankcase Pressure Regulator Valve Kit - BMW M...

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T#:2528129

Part#: 11617533400S1

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$ 94.99 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 all the components of the oil separator system together 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. Don't forget to order a valve cover gasket, throttle body gasket, and a new intake boot to make your separator change easier and more comprehensive.

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Blow-By Vent Hose

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T#:30629687

Part#: 11157553949

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CCV Hose

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T#:51391238

Part#: 11127850244

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Crankcase Ventilation Hose

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T#:35357256

Part#: 11157848340

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Bremmen Oil Separator Kit - Level 1 - E39 E46 E83 Z3 Z4

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T#:641646

Part#: 11617501566S1

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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 all the components of the oil separator system together to prevent damage to all the aspects of your engine. Level 1 kit includes the following; Oil separator Hose from oil separator to dipstick tube Hose from oil separator to valve cover Hose from intake manifold back to the connector hose Hose from oil separator up to the intake manifold

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Fuel Tank Ventilation Valve Pipe

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T#:8677197

Part#: 13907618643

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Allows fuel fumes to vent into the engine's intake

Crankcase Ventilation Valve With Gasket

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T#:48125820

Part#: 11127809512

Ships on Jan 11, 2027

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Restore proper engine ventilation with this premium replacement Crankcase Breather Valve (11127809512).

Designed to match the performance of the original BMW unit (OE 11-12-7-809-512 / 11-12-7-803-790), this valve maintains correct crankcase pressure, helps prevent oil buildup, and supports clean, efficient engine operation.

Crafted from high-quality, long-lasting materials and shaped to replicate the factory design, it installs easily in place of the stock breather without any modifications required.

Whether you’re addressing pressure-related drivability issues, refreshing your engine’s ventilation system, or performing preventative maintenance, this breather valve provides dependable performance and protects your BMW’s engine for the long haul.

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Crankcase Vent Hose

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T#:30629661

Part#: 11157831311

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Oxygen Sensor - Downstream Catalytic Converter

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T#:27105147

Part#: 11787589475

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$ 111.34 USD

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Oil Separator Valve

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T#:8677203

Part#: 11617531423

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Bremmen Crankcase Ventilation Connecting Pipe - Cylinders 1-4 - E70/1...

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T#:640154

Part#: 11157646086

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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, Bremmen pipes are a perfect replacement to restore a tight seal and prevent any check engine codes.

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Extraction Line

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T#:30629688

Part#: 11157537701

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Leak Detection Pump - Priced Each

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T#:35121140

Part#: 16137193479

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Oxygen Sensor

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T#:27105145

Part#: 11787545075

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Oil Separator Vent Hose

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T#:33746535

Part#: 11617559530

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Bremmen Crankcase Ventilation Connecting Pipe - Cylinders 5-8 - E70/1...

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T#:640153

Part#: 11157646087

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Connects to the valve cover over cylinders 5-8. These pipes tend to crack after become brittle from numerous heating and cooling cycles. If this happens, Bremmen pipes are a perfect replacement to restore a tight seal and prevent any check engine codes.

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Vacuum Control Valve

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T#:47850818

Part#: 11747810831

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PCV Vent Pipe

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T#:26438184

Part#: 11127588417

Ships on Dec 22, 2026

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Crank Case Vent Hose - S63

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T#:35357263

Part#: 11157843150

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The engine crankcase breather hose is a vital part of the Positive Crankcase Ventilation (PCV) system, responsible for directing pressurized air from the engine crankcase to the air/oil separator, also known as the PCV valve. This separator removes oil vapors from the air, allowing the oil to return to the engine while feeding the filtered air back into the intake system to support efficient combustion.

As a byproduct of the combustion process, positive crankcase pressure naturally builds up in the engine. The breather hose operates under constant exposure to heat, pressure, and an air/oil vapor mixture, making it prone to wear and failure over time. Ensuring the breather hose is in proper working condition is crucial for maintaining engine performance, adhering to emissions standards, and preserving the functionality of the PCV system. Promptly replace this component at the first signs of damage or degradation to avoid further complications.

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Crankcase Vent Valve

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T#:8741204

Part#: 11157501567

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This valve is also commonly called the PCV valve, and is important to maintain a proper idle. When this valve begins to leak, you will get a large vacuum leak that can cause many problems.

Crankcase Vent Pipe - Cylinders 1-4

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T#:35357254

Part#: 11157589989

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Vent Hose for N14 N18 1.6L Engine

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T#:26238478

Part#: 11157605186

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Upgrade your N14 N18 1.6L Engine with the Vent Hose. This hose connects to the top valve cover with a special hose clip end and extends to the bottom side of the intake manifold, ensuring optimal performance of your Mini. It's a crucial component of the intake system, designed to enhance engine efficiency and longevity.

Ensures proper ventilation of the engine
Connects securely to the valve cover and intake manifold
Facilitates efficient airflow within the engine compartment
Compatible with N14 N18 1.6L Engine models
Easy to install and replace as needed

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Crankcase Vent Pipe - Cylinders 5-8

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T#:35357253

Part#: 11157589992

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Vacuum Pipe

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T#:52586629

Part#: 11157603816

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Bremmen Crankcase Oil Seperator Valve - E38 E39 M62 4.4L

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T#:640156

Part#: 11151705272

Special Order: No Guaranteed ETA

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BMW has an issue with oil separators freezing in cold weather if the engine is not fully warmed up during driving. Common symptoms are a howling noise followed by oil leaks. Crankcase breather valve used to purge the oil vapor from the engine block into the valve cover. This valve has 4 hoses connected to it, running to the dipstick, valve cover, and air intake.

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Meyle - Oxygen Sensor - Bank 2, Pre-Cat - E82, E88, E9x, Z4 ...

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T#:40512028

Part#: 11787558087

Ships on Nov 20, 2026

$ 151.99 USD

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Backed by Meyle’s high manufacturing standards for durability and reliability

Rear Bank 2 Post-Cat Oxygen Sensor - 490mm - E70 E83 E82/88 E9X (N5X ...

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We Price Match - Give Us A Call or Chat!

T#:4934915

Part#: 3148030031

Ships on Nov 20, 2026

$ 112.99 USD

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The oxygen sensor is vital to the performance and drivability of your car. The engine computer relies on data from the sensor to make adjustments in engine efficiency and performance. When your BMW oxygen sensor fails, the computer can no longer sense the air/fuel ratio, so it ends up guessing -- resulting in poor performance, poor gas mileage, and increased pollution. Make sure your BMW engine performs as it should, and doesn't use more fuel than it needs to, by simply changing your oxygen sensor today. There is no lifespan on O2 sensors but there are several fault codes that indicate a failed sensor (O2 monitoring, cat efficiency, O2 heating circuit, O2 readiness, and others). The O2 sensor is heated and has a self-calibration feature so once you get the codes or feel performance has suffered, a new sensor is a good starting point to get you back to peak performance. This oxygen sensor for BMW's with the N52, N54, and N55 3.0L engines. This 490mm bank 2 oxygen sensor is mounted after the catalytic converter.

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Bremmen Parts Crankcase Vent Pipe - Cylinders 1-4 - E70, E71, F01, F0...

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T#:1195923

Part#: 11157575640

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Replace your damaged crank vent pipe

N20 Vacuum Hose - 11657607726

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T#:36981055

Part#: 11657607726

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Due to weak rubber construction and exposure to heat, this vacuum hose may be brittle and/or broken.

Replace it with this high-quality piece from Bremmen Parts to ensure proper turbocharger functionality.

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Bremmen Crankcase Ventilation Hose - E39 E53 E60 E83 E46

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T#:640147

Part#: 11611432559

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Crankcase Vent Hose - From Valve Cover to Oil Separator - Fit BMWs with the M52 or M54 6 cylinder engine

Crankcase Ventilation Hose

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T#:30629689

Part#: 11157532649

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Oil Separator - Crankcase Ventilation System

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T#:8741202

Part#: 11151705272B

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05-03-2026

$ 19.54 USD

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BMW has an issue with oil separators freezing in cold weather if the engine is not fully warmed up during driving. Common symptoms are a howling noise followed by oil leaks. Crankcase breather valve used to purge the oil vapor from the engine block into the valve cover. This valve has 4 hoses connected to it, running to dipstick, valve cover, air intake.

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Oil Separator - Crankcase Ventilation System

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:8741203

Part#: 11151705237

In Stock

Sale - Save 59% $ 15.99

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

$ 6.50 USD

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Sale - Save 59%

$ 15.99

This product was last offered at the strikethrough price on
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$ 6.50 USD

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Critical crankcase ventilation cyclone separator - great replacement or custom install! Failure of the oil separator commonly causes problems related to smoking or a check engine light. Featuring an approximately ¾” air inlet/outlet and ½” oil drain outlet, this oil separator/CCV commonly found in custom installations on many vehicles.

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Exhaust Backpressure Sensor - 13627805758

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:36710102

Part#: 13627805758

In Stock

Sale - Save 23% $ 70.99

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

$ 54.99 USD

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Sale - Save 23%

$ 70.99

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

$ 54.99 USD

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This exhaust backpressure sensor is a critical component of your vehicle's Diesel Particulate Filter (DPF) system, designed to monitor backpressure levels and trigger the regeneration cycle when needed. By ensuring the DPF operates efficiently, this sensor helps maintain optimal engine performance and prolongs the life of your powertrain.

A malfunctioning sensor is a common cause of check engine lights and DPF-related fault codes. If you're encountering issues with regeneration or fault codes, replacing the faulty sensor is essential to restore proper functionality. Choose this high-quality replacement from Bremmen for a reliable solution to keep your DPF system performing at its best.

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Bremmen Parts O Ring

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:558205

Part#: 11617533329

In Stock

Sale - Save 30% $ 6.99

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

$ 4.89 USD

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Sale - Save 30%

$ 6.99

This product was last offered at the strikethrough price on
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$ 4.89 USD

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Seals the PCV angle connector to the intake manifold

Oxygen Sensor

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:27105146

Part#: 11787589121

Special Order: No Guaranteed ETA

Sale - Save 8% $ 118.99

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

$ 108.89 USD

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$ 118.99

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

$ 108.89 USD

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Oxygen Sensor - Priced Each

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:56291060

Part#: 11787548961

In Stock

Sale - Save 10% $ 65.99

This product was last offered at the strikethrough price on
10-08-2026

$ 59.39 USD

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$ 65.99

This product was last offered at the strikethrough price on
10-08-2026

$ 59.39 USD

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Oxygen Sensor Kit - F30/31 N47, E70 M57

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:55569520

Part#: 13628589844KT2

Ships in 1 Business Day

Sale - Save 20% $ 770.99

This product was last offered at the strikethrough price on
07-03-2026

$ 616.78 USD

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$ 770.99

This product was last offered at the strikethrough price on
07-03-2026

$ 616.78 USD

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Oxygen sensors are used by the vehicle computer to adjust the air/fuel ratio and test vehicle emissions. This kit includes both rear Sensors.

Bremmen Parts Crankcase Vent Pipe - Cylinders 5-8 - E70, E71, F01, F0...

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:1195924

Part#: 11157575641

In Stock

Sale - Save 38% $ 63.99

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

$ 39.99 USD

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Sale - Save 38%

$ 63.99

This product was last offered at the strikethrough price on
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$ 39.99 USD

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Replace your damaged crank vent pipe

Crankcase Ventilation Valve

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:48125821

Part#: 11127803790

Ships on Jan 11, 2027

Sale - Save 20% $ 15.99

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

$ 12.79 USD

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$ 15.99

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$ 12.79 USD

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Ensure your BMW engine runs clean and efficiently with this Crankcase Breather Valve Diaphragm Spring and Cap (11127803790).

A direct-fit replacement for the original BMW breather (OE 11127803790 / 11-12-7-803-790), this valve maintains proper crankcase pressure, reduces oil buildup, and promotes smooth engine performance.

Constructed from durable, high-quality materials and engineered to OEM specifications, it installs easily without any modifications.

Ideal for maintenance, resolving crankcase pressure issues, or restoring your engine’s ventilation system, this breather valve delivers reliable performance and helps protect your BMW for years to come.

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Front Oxygen Sensor - Bank 2 Pre-Cat

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:55497441

Part#: 11787558087

Special Order: No Guaranteed ETA

Sale - Save 10% $ 109.99

This product was last offered at the strikethrough price on
10-08-2026

$ 98.99 USD

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$ 109.99

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$ 98.99 USD

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Meyle Oxygen Sensor - 11787558054 - E9x, E8x, E60, E61

5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:55353609

Part#: 11787558054

Ships on Nov 20, 2026

$ 134.99 USD

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$ 134.99 USD

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This Meyle pre-catalytic broadband oxygen sensor is a direct replacement for your tired, slow-responding factory sensor.

Meyle Exhaust Gas Temperature Sensor - G30 - B57

5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:55461387

Part#: 3148000073

Ships on Nov 20, 2026

$ 62.99

This product was last offered at the strikethrough price on
09-14-2026

$ 59.99 USD

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$ 59.99 USD

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Your ECU relies heavily on the Exhaust Gas Temperature (EGT) sensor to monitor critical exhaust heat before things get out of hand.

Sensor, Exhaust Gas Temperature

5X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:55461391

Part#: 3148000070

Ships on Nov 20, 2026

$ 60.99

This product was last offered at the strikethrough price on
09-16-2026

$ 57.99 USD

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$ 57.99 USD

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If your turbocharged Ultimate Driving Machine isn’t getting real-time, accurate temperature readouts from the exhaust stream, the ECU instantly pulls timing, limits boost, and drops your car into limp mode

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Wahler EGR Valve - F30 F31 F15 F25 F02 F10

Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:596272

Part#: 11717810871

Ships on Nov 23, 2026

$ 224.99 USD

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$ 224.99 USD

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The EGR valve regulates how much exhaust gas is recirculated back into the engine’s intake. Rather than allowing all exhaust gases to exit through the tailpipe, it redirects a portion into the cylinders to mix with the incoming air-fuel mixture. By lowering combustion temperatures, this process helps reduce harmful NOx emissions, ensures compliance with emissions standards, and can even contribute to longer engine life in some cases. If your EGR valve fails, replacing it promptly is essential to keep your vehicle running clean and within emissions regulations.

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Rear Oxygen Sensor - Bank 1 Post-Cat

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:57340375

Part#: 11787545074

Ships on Dec 15, 2026

Sale - Save 10% $ 79.99

This product was last offered at the strikethrough price on
10-08-2026

$ 71.99 USD

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Sale - Save 10%

$ 79.99

This product was last offered at the strikethrough price on
10-08-2026

$ 71.99 USD

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Oxygen Sensor - Front Or Rear Manifold

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:56797107

Part#: 11787523434

Ships on Dec 15, 2026

Sale - Save 10% $ 119.99

This product was last offered at the strikethrough price on
10-08-2026

$ 107.99 USD

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Sale - Save 10%

$ 119.99

This product was last offered at the strikethrough price on
10-08-2026

$ 107.99 USD

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E9X M3 Oxygen Sensor - Priced Each

10X Entries Into Our F80 M3 Sweepstakes Earn 5% back in Turner Rewards on orders placed 10/26/26 - 10/31/26. Redeem 11/26/26 - 12/1/26. Terms & conditions apply

T#:57267803

Part#: 11787537984

Ships on Dec 15, 2026

Sale - Save 10% $ 79.99

This product was last offered at the strikethrough price on
10-08-2026

$ 71.99 USD

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Sale - Save 10%

$ 79.99

This product was last offered at the strikethrough price on
10-08-2026

$ 71.99 USD

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