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BMW Electrical Sensors, Switches, & Relays

Electrical gremlins can be very frustrating. Luckily your BMW's electrical system is better than most, even if it's 25 years old. Here you will find electrical relays, sensors, switches, and modules for the engine, camshaft, and crankshaft. Our parts are OEM, Genuine BMW, or approved aftermarket brands that we have an excellent track record with. There is no middle ground with electrical parts - it either works perfectly or not. And there's nothing more frustrating than a new part that fails right out of the box. So it's important to choose quality replacement parts over a cheap but faulty piece.

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Burger Motorsports - Corporate Logo
T#:34885402
Part#: 4BAR TMAP
Back Ordered
$ 139.99 USD
Free Shipping on orders $49 and up
Use these plug and play adapters to quickly adapt a 4bar TMAP sensor to your N54/N55/S55 BMW, raising the boost maximum boost range from 20psi factory up to 43psi.
Burger Motorsports - Corporate Logo
T#:599636
Part#: TYPEA4BARADAPTER
Ships in 2 Business Days
$ 35.00 USD
Free Shipping on orders $49 and up
Use these plug and play adapters to quickly adapt a 4bar TMAP sensor to your N54/N55/S55 BMW, raising the boost maximum boost range from 20psi factory up to 43psi. For very high boost applications, this 4 BAR adapter can be used which requires Bosch 4 BAR sensor (Part # 281002576). SENSOR NOT INCLUDED, Please see T#587716
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Burger Motorsports - Corporate Logo
T#:599637
Part#: TYPEB4BARADAPTER
Back Ordered
$ 35.00 USD
Free Shipping on orders $49 and up
Use these plug and play adapters to quickly adapt a 4bar TMAP sensor to your N54/N55/S55 BMW, raising the boost maximum boost range from 20psi factory up to 43psi. For very high boost applications, this 4 BAR adapter can be used which requires Bosch 4 BAR sensor (Part # 281002576). SENSOR NOT INCLUDED, Please see T#587716
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AUTOTECKNIC - Corporate Logo
T#:21012623
Part#: ATK-BM-0420-G87
Ships in 7 Business Days
$ 495.00 USD
Free Shipping on orders $49 and up
The boldly styled G87 already touts carbon features but carbon fiber is not very often displayed in the engine bay. If you are looking to give your engine bay some carbon spark, AUTOTECKNIC introduces you to their dry carbon battery terminal cover to beautify your engine bay and bring a smile to your face every time you open the hood of your S58 monster! Made from high-quality carbon, this product is sure to stand the test of time!
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SenCom - Corporate Logo
T#:59038392
Part#: 20484
Ships on Nov 24, 2026
New Item
$ 46.99 USD
$ 46.99 USD
A smart spare for owners of E9x, E6x and E7x BMWs.

SenCom - Corporate Logo
T#:59038390
Part#: 20481
Ships on Nov 24, 2026
New Item
$ 28.99 USD
$ 28.99 USD
Made in Germany, it is a dependable part for battery service or electrical repairs. Ideal for owners keeping their E60 or E63 healthy.
SenCom - Corporate Logo
T#:59038384
Part#: 10171
Ships on Nov 24, 2026
New Item
$ 32.99 USD
$ 32.99 USD
SenCom's repair kit restores it with a 2-wire, 200mm pigtail of silicone-insulated copper-tin wire.

SenCom - Corporate Logo
T#:59038375
Part#: 2016034-2
Ships on Nov 24, 2026
New Item
$ 63.99 USD
$ 63.99 USD
SenCom's right-side kit restores the harness with 10 long, 1250mm circuits of copper-tin wire.