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:

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

$ 273.50 USD

Add to Wish List

Qty

Sale - Save 4%

$ 284.99

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

$ 273.50 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

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

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

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#: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

BATTERY COVER

T#:541111

Part#: 51717290727

In Stock

Sale - Save 60% $ 29.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 11.95 USD

Add to Wish List

Qty

Sale - Save 60%

$ 29.99

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

$ 11.95 USD

Add to Wish List

BMW Alternator - SEG Automotive 0121.715.118

T#:54851991

Part#: 12317560985

Ships in 1 Business Day

$ 1,049.99

This product was last offered at the strikethrough price on
07-16-2026

$ 961.99 USD

Add to Wish List

Qty

$ 961.99 USD

Add to Wish List

BMW Starter - SEG Automotive 0001.108.460

T#:55857741

Part#: 12417610344

Ships in 1 Business Day

$ 368.99

This product was last offered at the strikethrough price on
07-16-2026

$ 339.99 USD

Add to Wish List

Qty

$ 339.99 USD

Add to Wish List

MINI Alternator - SEG Automotive 0124.325.157

T#:54851988

Part#: 12317550319

Ships in 1 Business Day

$ 473.99

This product was last offered at the strikethrough price on
07-16-2026

$ 436.99 USD

Add to Wish List

Qty

$ 436.99 USD

Add to Wish List

MINI Alternator - SEG Automotive 0125.711.078

T#:54851993

Part#: 12317613445

Ships in 1 Business Day

$ 564.99

This product was last offered at the strikethrough price on
07-16-2026

$ 521.99 USD

Add to Wish List

Qty

$ 521.99 USD

Add to Wish List

MINI Starter - SEG Automotive 0001.106.026

T#:54851997

Part#: 12411489995

Ships in 1 Business Day

$ 432.99

This product was last offered at the strikethrough price on
07-16-2026

$ 406.99 USD

Add to Wish List

Qty

$ 406.99 USD

Add to Wish List

BMW Alternator - SEG Automotive 0124.525.588

T#:54851984

Part#: 12317541694

Ships in 1 Business Day

$ 521.99

This product was last offered at the strikethrough price on
07-16-2026

$ 474.99 USD

Add to Wish List

Qty

$ 474.99 USD

Add to Wish List

BMW Alternator - SEG Automotive 0124.515.223

T#:54851980

Part#: 12317519618

Ships in 1 Business Day

$ 503.99

This product was last offered at the strikethrough price on
07-16-2026

$ 462.99 USD

Add to Wish List

Qty

$ 462.99 USD

Add to Wish List

New 150A Alternator

T#:58965212

Part#: 0124.525.561

Ships on Nov 5, 2026

$ 487.99 USD

Add to Wish List

Qty

$ 487.99 USD

Add to Wish List

SEG Automotive, the company behind Bosch's starter motor and generator business, builds this brand-new 150-amp alternator with a freewheel pulley that smooths out belt loads for a quieter, longer-lasting accessory drive.

Show More Show Less

Starter Motor

T#:58965209

Part#: 0001.148.508

Ships on Nov 5, 2026

$ 274.99 USD

Add to Wish List

Qty

$ 274.99 USD

Add to Wish List

A healthy starter is what gets your BMW from parked to pulling away without a second thought.

New 120A Alternator

T#:58965210

Part#: 0124.515.052

Ships on Nov 5, 2026

$ 485.99 USD

Add to Wish List

Qty

$ 485.99 USD

Add to Wish List

A strong charging system keeps everything from your ignition to your stereo working at its best, and a failing alternator can undermine all of it.

New Alternator

T#:58965213

Part#: 0124.525.523

Ships on Nov 5, 2026

$ 495.99 USD

Add to Wish List

Qty

$ 495.99 USD

Add to Wish List

Your BMW's charging system powers everything from ignition to infotainment, so a weak alternator affects the whole car.

New Starter Motor

T#:58965208

Part#: 0001.170.202

Ships on Nov 5, 2026

$ 216.99 USD

Add to Wish List

Qty

$ 216.99 USD

Add to Wish List

The smart choice for F-chassis owners who want their car starting on the first try, every time.

Select Vehicle

Category

Electrical System

Brand

View All Brands

Price

Special Offers

Shipping