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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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N52 Valvetronic Camshaft Adjuster Replacement Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:5416764

Part#: 11377548388TMSKT

In Stock

Sale - Save 19% $ 220.99

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

$ 179.28 USD

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Qty

Sale - Save 19%

$ 220.99

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

$ 179.28 USD

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Includes new Valvetronic motor, gasket, and hardware. The Valv-tronic adjuster unit changes the the timing shaft to adjust the valve timing.

BMW E6X / E8X / E9X - N52 Replacement Starter Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:15777314

Part#: SR0492NKT2-KT

In Stock

Sale - Save 4% $ 284.99

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

$ 273.79 USD

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Qty

Sale - Save 4%

$ 284.99

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

$ 273.79 USD

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Is your car having trouble starting? Does your starter click when you turn the key? Sounds like it's time for a new starter motor! Includes new starter with no core charge, intake gaskets, throttle body gasket and hardware.

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Bosch Starter Motor With Hardware

10X Entries Into Our F80 M3 Sweepstakes

T#:56110332

Part#: SR0492NKT4

In Stock

$ 273.99

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

$ 261.99 USD

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$ 261.99 USD

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At the core is a brand-new Bosch Starter Motor, engineered to withstand extreme operating conditions while delivering immediate cranking speed. This kit includes also the required Genuine BMW Aluminum Mounting Screw Set.

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Valvetronic Camshaft Adjuster replacement kit

10X Entries Into Our F80 M3 Sweepstakes

T#:15677492

Part#: 11127556161-KT

In Stock

Sale - Save 19% $ 220.99

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

$ 179.28 USD

Add to Wish List

Qty

Sale - Save 19%

$ 220.99

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

$ 179.28 USD

Add to Wish List

Valv-tronic adjuster unit, Changes the the timing shaft to adjust the valve timing.

Eccentric Shaft Sensor Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:5416787

Part#: 11377524879TMSKT

In Stock

Sale - Save 18% $ 270.99

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

$ 221.57 USD

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Qty

Sale - Save 18%

$ 270.99

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

$ 221.57 USD

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Includes a new sensor as well as valve cover and eccentric gaskets for a complete service. The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.

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Eccentric Shaft Sensor Kit

10X Entries Into Our F80 M3 Sweepstakes

T#:15677508

Part#: 11127581215-KT

In Stock

Sale - Save 18% $ 270.16

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

$ 221.57 USD

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Qty

Sale - Save 18%

$ 270.16

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

$ 221.57 USD

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The eccentric shaft sensor is known to fail and can be a costly repair at the dealer. Often caused by oil getting into the connection for the wiring harness and damaging the sensor and causing a check engine light. With this kit you get the the sensor along with new valve cover and eccentric shaft adjuster gaskets to ensure a complete leak free job.

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Intensity Lithium-ION Battery - i34RX - 11.5lbs

T#:54388454

Part#: I34RX

Ships on Oct 28, 2026

$ 949.99 USD

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$ 949.99 USD

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Whether you're building a dedicated track weapon or upgrading your street machine for ultimate reliability, unsprung and upper-chassis weight is the enemy of performance. Positioned high up in the engine bay or rear corners, a heavy factory battery negatively impacts your car's center of gravity.

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Vargas Coolant Level Extension Harness - BMW B48/B58/S58

2X Entries Into Our F80 M3 Sweepstakes

T#:51813310

Part#: VTT-FAB-HC

Ships in 10 Business Days

$ 49.99 USD

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$ 49.99 USD

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Simplify your next fabrication project with the VTT-FAB series Coolant Extension Harness.

Vargas Plug & Play Pre And Post Throttle MAP Sensor Kit - 6B 4W - BMW...

2X Entries Into Our F80 M3 Sweepstakes

T#:52129729

Part#: VTT56BSENSKIT64

Ships in 10 Business Days

$ 209.99 USD

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$ 209.99 USD

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The VTT 6-Bar MAP sensor kit provides the necessary overhead to monitor boost levels with a linear voltage scale that makes software calibration straightforward.

Vargas USB To Serial For HPFP Controller - BMW N54

2X Entries Into Our F80 M3 Sweepstakes

T#:51778112

Part#: N54-USB-SERIAL-H

Ships in 10 Business Days

$ 37.99 USD

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$ 37.99 USD

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Take full control of your N54’s fueling system with the Vargas Turbo Technologies USB to Serial adapter.

Morimoto Standalone Can-Bus Wiring Harness - H4 / 9003 - Priced Each ...

T#:54388428

Part#: H240

Ships in 4 Business Days

$ 21.99 USD

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$ 21.99 USD

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Oil Temperature Sensor And Gauge Kit - Blue & Red - Multiple BMWs ...

10X Entries Into Our F80 M3 Sweepstakes

T#:401689

Part#: OILTEMPGAUGEBRKK

Back Ordered

Sale - Save 2% $ 196.99

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

$ 193.26 USD

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Qty

Sale - Save 2%

$ 196.99

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

$ 193.26 USD

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The EVO series from ProSport Gauges is an award winning, industry leading option for those looking to push their car's limits. They allowing you to monitor crucial engine functions in one quick glance with advanced precision. Featuring a dual color readout, you can customize your readout to your liking. Offering a user friendly readout with a digital reading in the center with a bar-graph style sweep around the gauge as well.

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