Oxygen Sensor

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T#:27105146

Part#: 11787589121

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$ 100.56 USD

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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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$ 29.99 USD

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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

Bosch Oxygen Sensor - Left Bank - E53

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T#:13055

Part#: 11787524530

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$ 162.67 USD

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BMW LAMBDA MONITOR SENSOR Oxygen Sensor

Crankcase Ventilation Hose - E46 M3 Z3M Coupe S54

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T#:25109076

Part#: 11157831311

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$ 17.99 USD

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This hose runs from the oil separator to the intake manifold and is designed to allow the recirculation of built-up oil vapors.

Due to its proximity to engine heat, this hose tends to get brittle and break as it ages. This can lead to oil leaks, vacuum leaks, misfires, and more.

If your crankcase ventilation hose is brittle or leaking, replace it with this unit from URO Parts.

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Intake Manifold Rubber Grommet 13411733217

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T#:7203

Part#: 13411733217

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$ 12.65 USD

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FUEL PREPARATION INTAKE MANIFOLD RUBBER GROMMET 13411733217

80 Piece Vacuum Cap Assortment

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T#:641955

Part#: TIT45252

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Great for capping unused vacuum lines.

Exhaust Backpressure Sensor - 13627805758

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T#:36710102

Part#: 13627805758

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$ 56.30 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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1.5mm X 51mm Metric Buna-N 70 O-ring

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T#:388889

Part#: N1.50X051

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$ 4.49 USD

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1.5mm X 51mm Metric Buna-N 70 O-ring is the perfect sealing solution for various industrial applications. Made from high-quality Buna-N material, this O-ring provides reliable sealing performance, ensuring leak-free connections. With its metric sizing and 70 durometer hardness, it offers versatility and durability for a wide range of uses.

High-quality Buna-N material
Reliable sealing performance
Metric sizing for versatility
70 durometer hardness for durability

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Bremmen Parts O Ring

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T#:558205

Part#: 11617533329

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$ 4.89 USD

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Seals the PCV angle connector to the intake manifold

Ultimate BMW B58 PCV & Ignition Refresh Kit

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T#:55713529

Part#: 11157637521KT

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$ 565.99 USD

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When the integrated PCV diaphragm on your B58 engine tears, it does more than just create a loud whistling noise under the hood. The ruptured valve allows the engine to pull raw crankcase oil vapor directly into the intake manifold and combustion chambers. By the time you diagnose the PCV failure, your engine has likely been burning oil for hundreds of miles. This thick oil vapor heavily coats the spark plugs in carbon, leading to rough idles, hesitation, and misfires—even after the PCV vacuum leak is fixed. Furthermore, the extreme heat trapped near the firewall on the B58 architecture naturally degrades the ignition coils over time. This ultimate refresh kit is the definitive "while you're in there" solution. It utilizes the highly sought-after Genuine BMW PCV fix kit (allowing you to repair the valve without replacing the entire expensive valve cover) and pairs it with a fresh set of OEM spark plugs and ignition coils. We also include a brand-new Genuine BMW corrugated CCV breather hose, as the factory plastic line is notoriously brittle and almost always snaps when you attempt to move it out of the way during the PCV repair. Kit Includes: (1) PCV Valve Repair Kit (Replaces OE # 11121025447) (1) CCV / Crankcase Vent Hose (Replaces OE # 11157637521) (6) NGK Spark Plugs (Replaces OE # 12120040551) (6) Turner Ignition Coils (Replaces OE # 12138643360)

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Rear Oxygen Sensor Set - N52, N54

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T#:55353594

Part#: 11787545074/5KT2

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$ 366.99 USD

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Sluggish oxygen sensors do a lot more than just light up your dashboard with an annoying Check Engine Light—they directly choke your BMW’s performance.

Crank Case Vent Hose - S63

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T#:35357263

Part#: 11157843150

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$ 60.99

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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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Universal Vortex Breather Catch Can

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T#:587831

Part#: 034-101-4000

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06-28-2026

$ 137.70 USD

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Bosch Oxygen Sensor - E60 E61 E90 E91

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T#:591939

Part#: 11787537993

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$ 177.44

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02-23-2026

$ 143.72 USD

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Bad oxygen sensors can cause check engine lights and poor fuel mileage. Replace your faulty sensor with this high-quality Bosch sensor to turn off your check engine light and restore fuel mileage. Bosch is one of the largest OEM producers of Genuine BMW and aftermarket parts in the world, providing parts for almost every major automotive manufacturer. Bosch has likely supplied many of the original electrical (and mechanical) parts for your BMW. Thanks to their quality, high durability, and reliability, you should expect a long service life from Bosch products. As a leading source of high-performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts. All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

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Oxygen Sensor - Priced Each

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T#:590414

Part#: 11787590713

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$ 249.99

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02-23-2026

$ 190.99 USD

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Rein Crankcase Ventilation Hose - Cylinders 1-4

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T#:17738390

Part#: 11617563476

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$ 46.99 USD

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Manufactured with high-quality materials to withstand heat, dirt, and debris, matching OE expectations.

Crankcase Vent Hose - From Valve Cover to Oil Separator - E46 E39 E6...

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T#:2853

Part#: 11611432559

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$ 14.99 USD

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This Crankcase Vent Hose - From Valve Cover to Oil Separator fits BMWs with the M52 or M54 6 cylinder engine including E46 323i 325i 328i 330i E39 525i 528i 530i E60 525i 530i X3 2.5i 3.0i X5 3.0i Z3 2.5 2.8 3.0i Z4 2.5i 3.0i.

This item fits the following BMWs:
1999-2005 E46 BMW 323i 323ci 328i 328ci 330i 330ci 330xi
1999-2005 E46 BMW 325i 325ci 325xi - only with M54 engine
1999-2003 E39 BMW 528i 528i 530i
2004-2005 E60 BMW 525i 525xi 530i 530xi
2004-2006 E83 BMW X3 2.5i X3 3.0i
2000-2006 E53 BMW X5 3.0i
1999-2002 Z3 BMW Z3 2.3 Z3 2.5i Z3 2.8i Z3 3.0i
2003-2006 E85 BMW Z4 2.5i Z4 3.0i

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Fuel Tank Breather Valve

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T#:639935

Part#: 13907572086

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$ 49.99 USD

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Sealing Grommet

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T#:45137

Part#: 16131183912

In Stock at Vendor

$ 7.99 USD

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Genuine BMW Sealing Grommet
This item fits the following BMW Chassis:
E39 M5,E46 M3,E70 X5M,E71 X6M,E82 1M Coupe,E85 Z4M,E38,E39,E46,E70 X5,E71 X6,E82,E83 X3,E85 Z4,E86 Z4,E89 Z4,E90,E92,E93,F01,F02,F22,F30,F31,F32,F33,F34,F36,F80 M3,F82 M4,F83

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Victor Reinz Secondary Air Pump Valve Gasket - E60, E63, E64, E65, E9...

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T#:375264

Part#: 11727506214

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$ 7.30

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05-29-2026

$ 7.26 USD

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Goes between the valve and intake tube

Vacuum Pipe

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T#:17704694

Part#: 11157603816

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$ 35.99 USD

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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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$ 11.99

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

$ 10.99 USD

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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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URO Crankcase Vent Valve Repair Kit - B58

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T#:55713528

Part#: 11121025447

Ships in 2 Business Days

$ 222.99

This product was last offered at the strikethrough price on
07-08-2026

$ 222.25 USD

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The URO Parts Crankcase Vent Valve Repair Kit is the smart technician's fix for the notorious BMW crankcase ventilation failures.

Secondary Air Pump - E36 318i w M44 engine, Z3 1.9

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T#:7046

Part#: 11721433818

In Stock at Vendor

$ 631.99

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03-23-2026

$ 571.99 USD

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This secondary air pump helps to reduce emissions by mixing fresh air with the exhaust. When this part fails cause a engine fault code and it will trigger a "service engine soon" light.
Pierburg pumps are some of the most trusted and widely used on the market. From fuel, water, air and vacuum Pierburg has you covered with OE quality and reliable performance year after year.

This item fits the following BMWs:
1996-1998 E36 BMW 318i 318is 318ti 318ic with M44 engine
1996-1998 Z3 BMW Z3 1.9

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Crankcase Ventilation Hose

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T#:378279

Part#: 11617533398

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$ 21.99 USD

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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.

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Bosch Oxygen sensor - rear position - E60, E61

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T#:578980

Part#: 16808

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$ 134.99 USD

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Mounted on the rear portion of exhaust manifold

"Cold Climate" Crankcase Pressure Regulator Valve

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T#:376770

Part#: 11617533400

Ships in 2 Business Days

$ 70.99

This product was last offered at the strikethrough price on
04-10-2026

$ 40.99 USD

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Commonly referred to as the "oil separator" or PCV

Oil Catch Can Hose Kit | R55-R59 N14 Engine

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T#:25706128

Part#: 90-1066

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$ 74.99 USD

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Upgrade Your R55-R59 N18 Engine with Replacement M7 Speed Oil Catch Can Hose Kit

Upgrade your R55-R59 N18 engine's oil catch can hoses with the Replacement M7 Speed Oil Catch Can Hose Kit. Specifically designed for Generation 2 engines, this kit includes two hoses with the correct adapters for connecting to the engine cam cover PCV hose. Please note that hardware, clamps, and brackets are not included with this kit.

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Secondary Air Pump

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T#:37757223

Part#: 11727571591

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$ 181.99 USD

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**Features:** - Optimized design for maximum airflow - Precision bearings ensure quiet operation with minimal vibration - Durable, high-quality housing for long-lasting performance

Victor Reinz Oil Separator O-Ring - E31, E32, E34, E38, E39 ...

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T#:19104

Part#: 11151747978

Ships in 2 Business Days

$ 5.69

This product was last offered at the strikethrough price on
06-05-2026

$ 5.68 USD

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O-RING 11151747978 Manufactured by Reinz

Oil Separator Valve

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T#:594299

Part#: 11617531423

Ships in 4 Business Days

$ 120.81 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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Return Pipe

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T#:372847

Part#: 11617504536

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$ 16.99 USD

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Runs from the intake manifold back to connecting hose

Febi Crankcase Ventilation Hose - E39, E46, E60, E83, Z3, Z4 ...

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T#:6707

Part#: 11157532649

In Stock at Vendor

$ 19.12

This product was last offered at the strikethrough price on
05-29-2026

$ 17.04 USD

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$ 17.04 USD

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ENGINE VENT HOSE 11157532649

Crankcase Ventilation Connecting Pipe - Cylinders 1-4

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T#:50626658

Part#: 11157646086

Ships in 2 Business Days

$ 57.99 USD

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URO Oxygen Sensor - Post Cat - BMW N63 4.4L

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T#:43750201

Part#: 11787614322

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$ 69.99 USD

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Replace worn-out and or malfunctioning O2 sensors to make your vehicle emissions compliant

URO Crankcase Ventilation Hose - BMW M52TU M54

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T#:377307

Part#: 11157532649

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$ 12.99 USD

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From oil separator to dipstick tube

Pressure Regulator Valve Repair Kit

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T#:600041

Part#: 11127547058

Ships in 2 Business Days

$ 14.99 USD

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Bosch Oxygen Sensor - Right Bank - E53

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T#:13051

Part#: 11787506539

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$ 142.38 USD

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BMW LAMBDA MONITOR SENSOR - Bosch BMW Oxygen Sensor

Rein Return Pipe - E39, E46, E53, E60, E83, Z3, Z4

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T#:375092

Part#: 11617504536

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$ 19.99 USD

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Runs from the intake manifold back to connecting hose

Bosch Oxygen Sensor - Pre Catalytic Converter - E60, E63, E64, E65, E...

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T#:380990

Part#: 11787521705

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$ 222.76 USD

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Length: 620mm

Pierburg Secondary Air Valve

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T#:373991

Part#: 11727837456

In Stock at Vendor

$ 268.15

This product was last offered at the strikethrough price on
03-23-2026

$ 174.00 USD

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Also known as an EGR valve

BMS Oil Catch Can - Gen2 B58 G05 G06

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T#:38688917

Part#: BMS-OCC-G2B58X

Ships on Jul 27, 2026

$ 269.00 USD

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**BMS Oil Catch Can – Gen2 B58 G05/G06 (Includes Silicone Intake Hose)** The **Burger Motorsports Oil Catch Can** for **Gen2 B58-powered G05/G06 BMWs** minimizes **oil blow-by**, preventing **carbon buildup** on intake valves while keeping your **intercooler and charge pipes clean** for peak performance. ### **Key Features & Benefits:** ✅ **Reduces oil buildup** for enhanced engine efficiency ✅ **Durable CNC-machined aluminum** construction for long-lasting performance ✅ **Integrated internal baffle system** ensures superior oil separation ✅ **Closed-loop PCV system** prevents venting to the atmosphere ✅ **High-performance silicone intake hose** improves airflow ✅ **Direct-fit design** for quick and fully reversible installation ✅ **Easy oil disposal**—unscrew the base or use the built-in drain plug 🔥 **Protect and optimize your Gen2 B58 engine with the BMS Oil Catch Can!** 🔥

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Febi Oil Separator - E53

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T#:363700

Part#: 11151705237

In Stock at Vendor

$ 21.99

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

$ 20.99 USD

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Critical crankcase ventilation cyclone separator - great replacement or custom install!

Denso Oxygen Sensor - Right - E60, E63, E64

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T#:1196208

Part#: 11787540166

In Stock at Vendor

$ 205.99

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

$ 199.99 USD

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$ 199.99 USD

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Reads out emissions levels to the cars computer

Febi Crankcase Ventilation Dipstick Hose - E39, E46, E60, E83, Z3, Z4...

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T#:359557

Part#: 11157532629

In Stock at Vendor

$ 23.28 USD

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$ 23.28 USD

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From oil separator to dipstick tube

OEM Bosch Diesel Emissions Fluid Pump (Supply Module) - E90 335d, E70...

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T#:639143

Part#: 16197244137

In Stock at Vendor

$ 523.99

This product was last offered at the strikethrough price on
04-10-2026

$ 512.36 USD

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This "SCR Delivery Unit" is otherwise known as the Diesel Emissions Fluid Pump, or as the supply module, and pressurizes the SCR diesel exhaust fluid system. Replace your pump with this OEM Bosch fluid pump to restore smooth operation of your SCR system.

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Crankcase Vent Hose - Cylinders 1-4

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T#:384973

Part#: 11617547185

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$ 57.99 USD

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Should be replaced anytime leaks are detected

Crankcase Oil Separator and Vent Hose Kit - E90 325xi/330xi, E60 525x...

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T#:221962

Part#: TMS221962

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$ 458.99 USD

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The BMW N52 engine was deisgned with a crankcase vent system that relies on a heated oil separator valve to separate vapor from the liquid oil. Under ideal circumstances, the oil vapor would pass back into the intake and get burned up during normal combustion. The liquid oil would follow a path back down into the oil pan and be reused. This system is environmentally friendly but plagued with problems. The heating elements can fail or oil and carbon particles can block the oil separator valve. With no escape, the oil will continue to pool and collect in the valve cover or make its way into the combustion chamber leading to excessive oil consumption, blue smoke from the exhaust, idle and running issues. These issues are worse in colder climates where the freezing temperatures create an oil sludge condition that is impossible to clear. The plastic hoses can become brittle and crack which leads to vacuum leaks and oil leaks. Thankfully, the CCV is replaceable on the early N52 engines (2006 and some 2007 models) and should be inspected during a major service and any time the valve cover is off. Oil can also back up into the throttle body, which is easier to check than the oil separator itself. Later N52 engines do not have a serviceable oil vent as it is integrated into the valve cover and not a separate part.

This is a kit containing the oil separator, the vent hoses, and the intake manifold gaskets that are done during a typical oil separator replacement. Complete kit includes:

11617531423, Genuine BMW oil separator

11617559530, vent hose

11157522931, oil separator hose

11157567801, return hose

11157537701, extraction hose

11617547242, intake manifold gaskets (set of 6)
The intake manifold must be removed to access the oil separator so new profile gaskets are included. We also recommend (but not required) a new oil separator fitting on the intake manifold because it's one of the heated elements that vaporizes the oil as it enters the intake.

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.

This kit fits the following BMWs:
-10/2005 E90 BMW 325xi 330xi - Sedan
-10/2005 E91 BMW 325xi - Wagon
-10/2005 E60 BMW 525xi 530xi

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