BMW Electrical Sensors, Switches, & Relays for BMW E46 M3 S54 (1999-2005)

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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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Alternator - 120amp

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:25042542

Part#: 12317831436

Ships on Oct 6, 2026

Sale - Save 20% $ 222.99

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

$ 178.39 USD

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Qty

Sale - Save 20%

$ 222.99

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

$ 178.39 USD

Add to Wish List

OMP Battery Cut Off Switch / Kill Switch

affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms

T#:1614

Part#: EA-462

Back Ordered

$ 65.00 USD

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Qty

$ 65.00 USD

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OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.

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BMW Electrical Sensors, Switches, & Relays for BMW E46 M3 S54 (1999-2005)

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Alternator - 120amp

OMP Battery Cut Off Switch / Kill Switch

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