Bosch BMW Engine Parts

Ensure optimal engine performance with the Bosch Oxygen Sensor, an OEM replacement part suitable for your Mini. Designed to measure the amount of unburned fuel in the exhaust pipe, this sensor helps adjust fuel mapping for reduced emissions and improved fuel economy. When your engine triggers an oxygen sensor check engine light, replacing it with this unit is crucial. Malfunctioning sensors can lead to decreased MPG and performance, but with easy replacement, you can quickly restore your Mini's performance and mileage. Apply anti-seize on the threads during installation to prevent it from sticking permanently. Regular maintenance is recommended as oxygen sensors tend to fail slowly. Mounts at the rear behind the catalytic converter.

• OEM Bosch replacement for optimal performance
• Measures unburned fuel for improved fuel economy and reduced emissions
• Easy replacement restores performance and mileage quickly
• Application of anti-seize prevents permanent sticking
• Regular maintenance recommended for prolonged sensor lifespan

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 exacting assembly process and high level of durability you can expect a long service life from all Bosch products.

This genuine Bosch Starter fits the following BMWs:
1988-1991 E32 7 Series 750il
1995-2001 E38 7 Series 750il
1991-1998 E31 8 Series 850i 850ci

Includes $75.00 core charge to be refunded on return of your rebuildable core.

If you car has died on the side of the road from a dead battery and you notice flickering or low powered head lights, it's likely your alternator failing. To be sure you are getting a high quality part with a long life-span, choose this OEM Bosch Alternator. This is an OEM replacement for BMW part # 12317501599.

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!

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 Bosch O2 sensor - also known as a Lambda probe. Bosch is an OEM supplier to BMW.

Position: post-cat, after the catalytic converter (pre-cat). Bank 1 and Bank 2 use the same sensor (2 required per vehicle).

This item fits the following BMWs:
2006-2010 E60 BMW M5
2006-2010 E63 E64 BMW M6

Replacement Bosch alternator for the 1993-1995 V8 engine (M60), found in the E34 530i & 540i, and E32 740i/740iL (thru 1994). Bosch is an original equipment supplier to BMW, and is the finest and most recognized German brand of alternator available. Buy only the best alternator for your BMW -- buy a Bosch alternator.

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 exacting assembly process and high level of durability you can expect a long service life from all Bosch products.

A refundable core charge must be applied to this alternator. Upon receipt of your rebuildable alternator core, you will be refunded the core charge.

This Bosch Alternator fits the following BMWs:
1994-1995 E34 5 Series V8 530i & 540i
1992-1995 E32 7 Series V8 740i & 740iL
1994-1995 E31 8 Series V8 840C/ 840i

Includes $65.00 core charge to be refunded on return of your rebuildable core.

The SCR reservoir heater, found in the DEF active tank, is a frequently failing component that can lead to emissions-related DTCs. When it fails, replacing the entire tank assembly is often necessary, which can be expensive if using Genuine parts.

Fortunately, Bosch offers a high-quality replacement heater and tank assembly, ensuring a seamless and reliable replacement process. Opting for Bosch means choosing a cost-effective repair solution that promises durability and longevity.

For a hassle-free replacement of your SCR heater, trust Bosch to deliver lasting performance.