Find Parts That Fit Your Vehicle

Home
Engine Parts
Electrical System

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.

Sub-Categories

Sort By:

N52 Valvetronic Camshaft Adjuster Replacement Kit

T#:5416764

Part#: 11377548388TMSKT

In Stock

Sale - Save 19% $ 220.99

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

$ 179.20 USD

Add to Wish List

Qty

Sale - Save 19%

$ 220.99

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

$ 179.20 USD

Add to Wish List

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

T#:15777314

Part#: SR0492NKT2-KT

In Stock

Sale - Save 8% $ 296.99

This product was last offered at the strikethrough price on
03-17-2026

$ 273.79 USD

Add to Wish List

Qty

Sale - Save 8%

$ 296.99

This product was last offered at the strikethrough price on
03-17-2026

$ 273.79 USD

Add to Wish List

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.

Show More Show Less

Valvetronic Camshaft Adjuster replacement kit

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

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

Add to Wish List

Qty

Sale - Save 18%

$ 270.99

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

$ 221.57 USD

Add to Wish List

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.

Show More Show Less

Eccentric Shaft Sensor Kit

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

Add to Wish List

Qty

Sale - Save 18%

$ 270.16

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

$ 221.57 USD

Add to Wish List

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.

Show More Show Less

Bosch Starter Motor With Hardware

T#:56110332

Part#: SR0492NKT4

In Stock

$ 273.99

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

$ 261.99 USD

Add to Wish List

Qty

$ 261.99 USD

Add to Wish List

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.

Show More Show Less

Bosch Starter Motor - E32 750il E38 750il E31 850i 850ci

T#:1175

Part#: SR444X

In Stock at Vendor

Sale - Save 5% $ 279.99

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

$ 265.75 USD

Add to Wish List

Qty

Sale - Save 5%

$ 279.99

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

$ 265.75 USD

Add to Wish List

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.

Show More Show Less

Knock Sensor

T#:54388475

Part#: 13627636937

In Stock

$ 29.99 USD

Add to Wish List

Qty

$ 29.99 USD

Add to Wish List

Keep your ignition timing razor-sharp and your engine safe from destructive detonation. This replacement Knock Sensor acts as your engine's first line of defense, constantly listening for pre-ignition "pinging" or knocking.

Show More Show Less

Battery Cable - With Pole

T#:54388517

Part#: 61129259425

Ships in 2 Business Days

$ 126.99 USD

Add to Wish List

Qty

$ 126.99 USD

Add to Wish List

On the track or on the street, your BMW’s electrical architecture demands absolute consistency. A degraded positive battery cable introduces unwanted resistance, leading to weak starts, alternator strain, and erratic module behavior. When it’s time to replace a compromised factory cable, you don’t need over-hyped marketing—you need a part that fits precisely and restores factory grid integrity.

Show More Show Less

Starter Solenoid

T#:57231530

Part#: 12411427080

Special Order: No Guaranteed ETA

$ 78.99 USD

Add to Wish List

Qty

$ 78.99 USD

Add to Wish List

When you are at the track or gearing up for a weekend backroad drive, the last thing you need is a sluggish starter holding your BMW back.

Remanufactured Alternator

T#:57267768

Part#: 12317616126

Special Order: No Guaranteed ETA

$ 571.99 USD

Add to Wish List

Qty

$ 571.99 USD

Add to Wish List

Keep your BMW's vital electronics powered and your engine running at peak efficiency with a premium remanufactured alternator from Bosch.

Starter

T#:57304035

Part#: SR3295N

Special Order: No Guaranteed ETA

$ 441.99 USD

Add to Wish List

Qty

$ 441.99 USD

Add to Wish List

This new starter delivers crisp power and rapid engine speed recovery, avoiding the typical voltage drop issues associated with worn original units.

Remanufactured Alternator - 12V - 170A

T#:57267766

Part#: 12317605478

Special Order: No Guaranteed ETA

$ 499.99 USD

Add to Wish List

Qty

$ 499.99 USD

Add to Wish List

Maintain peak battery performance and protect your vehicle's complex electrical architecture with a motorsport-tested, factory-grade charging replacement.

AL41X Remanufactured Alternator

T#:57231540

Part#: 12311466084

Special Order: No Guaranteed ETA

$ 286.99 USD

Add to Wish List

Qty

$ 286.99 USD

Add to Wish List

Ensure your BMW or European vehicle maintains uninterrupted power under demanding driving conditions with this premium remanufactured alternator by Bosch.

Starter - Remanufactured

T#:57267807

Part#: 12418621839

Special Order: No Guaranteed ETA

$ 342.99 USD

Add to Wish List

Qty

$ 342.99 USD

Add to Wish List

Remanufactured Alternator - 12V - 150 A

T#:57267763

Part#: AL0757X

Special Order: No Guaranteed ETA

$ 430.99 USD

Add to Wish List

Qty

$ 430.99 USD

Add to Wish List

This high-output Bosch remanufactured alternator ensures your ignition system and performance electronics receive clean, steady amperage under high-demand driving conditions.

Starter

T#:57267806

Part#: 12418625995

Special Order: No Guaranteed ETA

$ 463.99 USD

Add to Wish List

Qty

$ 463.99 USD

Add to Wish List

Bosch starter units deliver the high-torque cranking performance required to reliably start modern high-compression BMW engines under all thermal conditions.

Starter - Remanufactured

T#:57304037

Part#: 12417843530

Special Order: No Guaranteed ETA

$ 412.99 USD

Add to Wish List

Qty

$ 412.99 USD

Add to Wish List

Ensure your high-performance engine cranks reliably every time with an OE-quality starter motor from Bosch.

Remanufactured Alternator

T#:57267767

Part#: 12317561004

Special Order: No Guaranteed ETA

$ 695.99 USD

Add to Wish List

Qty

$ 695.99 USD

Add to Wish List

This Bosch remanufactured alternator delivers the rock-solid current required to keep your ignition, fuel management, and chassis electronics operating at peak efficiency under demanding conditions.

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

T#:401689

Part#: OILTEMPGAUGEBRKK

Ships on Jan 4, 2027

Sale - Save 2% $ 196.99

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

$ 193.26 USD

Add to Wish List

Qty

Sale - Save 2%

$ 196.99

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

$ 193.26 USD

Add to Wish List

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.

Show More Show Less

Select Vehicle

Purpose

Category

Electrical System

Brand

Price

Special Offers

Shipping