Emissions System for BMW 3 Series E91 (2006-2012)

Rein Crank Case Vent Hose - E60, E82, E83, E88, E90, E91, E92, E93, Z...

T#:402018

Part#: 11157559528

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$ 48.99 USD

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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.

Rein Crankcase Vent Hose

T#:17804807

Part#: 11157522931

Ships in 1 Business Day

$ 44.99

This product was last offered at the strikethrough price on
08-20-2026

$ 38.99 USD

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$ 38.99 USD

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Manufactured with high-quality materials to withstand heat, dirt, oil, and other debris.

Rein Crankcase Ventilation Hose - E60, E61, E90, E91

T#:591594

Part#: 11157567802

Ships in 3 Business Days

$ 74.99 USD

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$ 74.99 USD

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From oil separator to oil pan vent tube

OEM Rein Oil Separator Vent Hose - E60/61 E90/91 Z4

T#:13029

Part#: 11617559530

Ships in 3 Business Days

$ 66.99

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

$ 43.99 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 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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Rear Bank 2 Post-Cat Oxygen Sensor - 490mm - E70 E83 E82/88 E9X (N5X ...

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T#:4934915

Part#: 3148030031

Ships on Sep 8, 2026

$ 112.99 USD

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$ 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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Oil Separator Valve

T#:594299

Part#: 11617531423

Ships in 3 Business Days

$ 120.81 USD

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$ 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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OEM Rein Oil Separator Vent Hose - E60/1 E90/1 N52

T#:402020

Part#: 11617522933

Ships in 1 Business Day

$ 19.99 USD

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$ 19.99 USD

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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.

Oxygen Sensor

For vehicles with Low Compression Engine

T#:55353609

Part#: 11787558054

Ships on Sep 8, 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 Rear Bank 1 Post-Cat Oxygen Sensor - 560mm - E70 E83 E82/88 E9X...

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T#:5944215

Part#: 11787545074

Ships on Sep 8, 2026

$ 116.99 USD

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$ 116.99 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 is a Meyle oxygen sensor for BMW's with the N52, N54, and N55 3.0L engines. This 560mm bank 1 oxygen sensor is mounted after the catalytic converter. 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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Meyle Oxygen Sensor - Pre-Cat Bank 2 - E9X E60 E82 N52

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T#:5944212

Part#: 11787558073

Back Ordered

$ 123.99 USD

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$ 123.99 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 Meyle sensor to turn off your check engine light and restore fuel mileage. This is a Meyle oxygen sensor for BMWs with the N52 engine. This sensor is mounted in the rear downpipe before the catalytic converter. Replacement for BMW # 11787558073 and 11787537984. 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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Emissions System for BMW 3 Series E91 (2006-2012)

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Rein Crank Case Vent Hose - E60, E82, E83, E88, E90, E91, E92, E93, Z...

Rein Crankcase Vent Hose

Rein Crankcase Ventilation Hose - E60, E61, E90, E91

OEM Rein Oil Separator Vent Hose - E60/61 E90/91 Z4

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

Oil Separator Valve

OEM Rein Oil Separator Vent Hose - E60/1 E90/1 N52

Oxygen Sensor

Meyle Rear Bank 1 Post-Cat Oxygen Sensor - 560mm - E70 E83 E82/88 E9X...

Meyle Oxygen Sensor - Pre-Cat Bank 2 - E9X E60 E82 N52

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