Emissions System

B58 PCV Repair Kit

T#:23980285

Part#: 1112764517PCV

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This product was last offered at the strikethrough price on
07-30-2026

$ 53.99 USD

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

T#:2528129

Part#: 11617533400S1

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

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

T#:640155

Part#: 11157559528

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

$ 39.16 USD

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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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Blow-By Vent Hose

T#:30629687

Part#: 11157553949

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05-03-2026

$ 35.08 USD

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

T#:641646

Part#: 11617501566S1

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05-03-2026

$ 81.59 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. 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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Crankcase Vent Hose

T#:30629661

Part#: 11157831311

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05-03-2026

$ 24.47 USD

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

T#:640154

Part#: 11157646086

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05-03-2026

$ 41.61 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, Bremmen pipes are a perfect replacement to restore a tight seal and prevent any check engine codes.

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Fuel Tank Ventilation Valve Pipe

T#:8677197

Part#: 13907618643

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05-03-2026

$ 38.24 USD

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Allows fuel fumes to vent into the engine's intake

Crankcase Ventilation Hose

T#:35357256

Part#: 11157848340

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05-03-2026

$ 43.24 USD

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

T#:640153

Part#: 11157646087

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05-03-2026

$ 39.98 USD

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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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Oil Separator Vent Hose

T#:33746535

Part#: 11617559530

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05-03-2026

$ 34.26 USD

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Crankcase Ventilation Valve With Gasket

T#:48125820

Part#: 11127809512

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05-03-2026

$ 48.95 USD

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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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Oxygen Sensor - Downstream Catalytic Converter

T#:27105147

Part#: 11787589475

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05-03-2026

$ 101.99 USD

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Oil Separator Valve

T#:8677203

Part#: 11617531423

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05-03-2026

$ 67.20 USD

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Extraction Line

T#:30629688

Part#: 11157537701

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05-03-2026

$ 22.84 USD

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Oxygen Sensor

T#:27105145

Part#: 11787545075

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05-03-2026

$ 90.57 USD

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Leak Detection Pump - Priced Each

T#:35121140

Part#: 16137193479

Ships on Sep 29, 2026

Sale - Save 18% $ 65.99

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$ 54.39 USD

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Vacuum Control Valve

T#:47850818

Part#: 11747810831

Ships on Sep 28, 2026

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05-03-2026

$ 21.21 USD

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PCV Vent Pipe

T#:26438184

Part#: 11127588417

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$ 50.58 USD

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Vent Hose for N14 N18 1.6L Engine

T#:26238478

Part#: 11157605186

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05-03-2026

$ 27.53 USD

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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 Valve

T#:8741204

Part#: 11157501567

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$ 21.99 USD

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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 5-8

T#:35357253

Part#: 11157589992

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05-03-2026

$ 39.87 USD

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Bremmen Crankcase Oil Seperator Valve - E38 E39 M62 4.4L

T#:640156

Part#: 11151705272

Special Order: No Guaranteed ETA

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$ 29.47 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 the dipstick, valve cover, and air intake.

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N20 Vacuum Hose - 11657607726

T#:36981055

Part#: 11657607726

Special Order: No Guaranteed ETA

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05-03-2026

$ 34.26 USD

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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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Exhaust Backpressure Sensor - 13627805758

T#:36710102

Part#: 13627805758

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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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Oxygen Sensor

T#:27105146

Part#: 11787589121

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$ 100.00 USD

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Crankcase Ventilation Hose

T#:30629689

Part#: 11157532649

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$ 12.23 USD

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Bremmen Crankcase Ventilation Hose - E39 E53 E60 E83 E46

T#:640147

Part#: 11611432559

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05-03-2026

$ 18.76 USD

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

Bremmen Parts O Ring

T#:558205

Part#: 11617533329

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$ 4.89 USD

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Seals the PCV angle connector to the intake manifold

Oil Separator - Crankcase Ventilation System

T#:8741202

Part#: 11151705272B

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05-03-2026

$ 19.07 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

T#:8741203

Part#: 11151705237

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05-03-2026

$ 6.30 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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Crankcase Ventilation Valve

T#:48125821

Part#: 11127803790

Ships on Feb 8, 2027

Sale - Save 24% $ 15.99

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05-03-2026

$ 12.23 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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Bremmen Parts Crankcase Vent Pipe - Cylinders 5-8 - E70, E71, F01, F0...

T#:1195924

Part#: 11157575641

Ships in 1-2 days

Sale - Save 10% $ 63.23

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

$ 56.91 USD

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Replace your damaged crank vent pipe

Elring EGR O-Ring - E70, E90

2X Entries For Our G87 M2 Sweepstakes! We Price Match - Give Us A Call or Chat!

T#:13069389

Part#: 13547792098

Ships in 1-2 days

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

$ 2.80 USD

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$ 3.99

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$ 2.80 USD

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O-Ring for EGR

BMW EGR Cooler Gasket - 11618571005

T#:45483614

Part#: 593.210

Special Order: No Guaranteed ETA

Sale - Save 5% $ 10.99

This product was last offered at the strikethrough price on
08-14-2026

$ 10.44 USD

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Attached to vehicles EGR cooler OE: 11618571005

CCV Hose

T#:51391238

Part#: 11127850244

Ships on Sep 28, 2026

Sale - Save 20% $ 99.99

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

$ 79.99 USD

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Fuel Tank Breather Valve

T#:25075805

Part#: 13907621174

Ships on Sep 29, 2026

Sale - Save 21% $ 37.99

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05-03-2026

$ 30.18 USD

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Oil Separator Vent Hose

T#:53326231

Part#: 11617522933

In Stock

Sale - Save 20% $ 22.99

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

$ 18.39 USD

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$ 22.99

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Oxygen Sensor Kit - F30/31 N47, E70 M57

T#:55569520

Part#: 13628589844KT2

Ships on Oct 15, 2026

Sale - Save 10% $ 770.99

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

$ 693.88 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.

Vacuum Pipe

T#:52586629

Part#: 11157603816

In Stock

Sale - Save 20% $ 29.99

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

$ 23.99 USD

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Fuel Tank Breather Valve (US Models)

T#:32350832

Part#: 13907614013

Special Order: No Guaranteed ETA

Sale - Save 10% $ 43.99

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05-03-2026

$ 39.47 USD

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$ 43.99

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E70 Return Pipe

T#:52551447

Part#: 11537806706

Ships on Sep 28, 2026

Sale - Save 20% $ 129.99

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

$ 103.99 USD

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$ 129.99

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$ 103.99 USD

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

T#:1195923

Part#: 11157575640

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Sale - Save 7% $ 52.99

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05-03-2026

$ 49.41 USD

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Replace your damaged crank vent pipe

Crank Case Ventilation Valve - Priced Each

T#:53326230

Part#: 11158647299

In Stock

Sale - Save 20% $ 80.99

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05-03-2026

$ 64.79 USD

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02 SENSOR BUNG (WELD-ON TYPE) 304 STAINLESS STEEL (M18x1.5mm) ...

T#:47439371

Part#: 02SB1815

Ships on Mar 15, 2027

Sale - Save 39% $ 3.99

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$ 2.44 USD

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$ 3.99

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$ 2.44 USD

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Easily add an oxygen sensor to your custom exhaust setup with this universal O2 sensor bung. Designed for simple weld-on installation, it allows you to place your sensor exactly where you need it—perfect for custom builds, exhaust modifications, or performance tuning projects.

Features:

CNC-cut from T304 Stainless Steel for corrosion resistance
Threaded for M18x1.5mm RH oxygen sensors

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