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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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URO Engine Crankshaft Position Center - BMW

2X Entries Into Our F80 M3 Sweepstakes

T#:52621857

Part#: 12141709616

In Stock

$ 25.99 USD

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$ 25.99 USD

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The URO Parts 020655 Crankshaft Position Sensor offers a cost-effective alternative to expensive OE components without sacrificing quality or longevity.

URO Manifold Air Pressure Sensor - R50, R52, R53

2X Entries Into Our F80 M3 Sweepstakes

T#:54388350

Part#: 12140872648

Ships in 1 Business Day

$ 35.99 USD

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$ 35.99 USD

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This unit serves as an ideal baseline or a crucial component replacement

URO Camshaft Position Sensor - E90, E70 - M57

2X Entries Into Our F80 M3 Sweepstakes

T#:55821688

Part#: 13627792256

Ships in 1 Business Day

$ 17.99 USD

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$ 17.99 USD

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This URO sensor is built to withstand the intense heat cycles of the BMW engine bay, offering a dependable, budget-friendly solution to restore peak engine efficiency. Designed as a direct swap for the factory unit

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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

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$ 961.99 USD

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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

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$ 339.99 USD

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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

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$ 436.99 USD

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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

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$ 521.99 USD

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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

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$ 406.99 USD

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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

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$ 474.99 USD

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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

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$ 462.99 USD

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New 150A Alternator

T#:58965212

Part#: 0124.525.561

Ships on Nov 4, 2026

$ 487.99 USD

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$ 487.99 USD

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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.

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Starter Motor

T#:58965209

Part#: 0001.148.508

Ships on Nov 4, 2026

$ 274.99 USD

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$ 274.99 USD

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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 4, 2026

$ 485.99 USD

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$ 485.99 USD

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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 4, 2026

$ 495.99 USD

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$ 495.99 USD

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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 4, 2026

$ 216.99 USD

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$ 216.99 USD

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

Mass Air Flow (MAF) Sensor

2X Entries Into Our F80 M3 Sweepstakes

T#:56977979

Part#: 13627520519

Back Ordered

$ 77.99 USD

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$ 77.99 USD

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Keep your BMW performing at its peak with this reliable Mass Air Flow sensor replacement from URO Parts.

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