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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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Valeo Voltage Regulator - Valeo - E53, E60, E63, E64, E70
Valeo Voltage Regulator - Valeo - E53, E60, E63, E64, E70
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Valeo - Corporate Logo
T#:1196078
Part#: 12318510090
Ships in 1 Business Day
$ 91.37 USD
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$ 91.37 USD
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OEM replacement for you BMW alternator fixing charging issues
Voltage Regulator
Voltage Regulator
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Valeo - Corporate Logo
T#:594108
Part#: 12317603775
In Stock
$ 71.22

This product was last offered at the strikethrough price on
05-04-2026

$ 70.45 USD
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$ 70.45 USD
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Have you noticed inconsistent electrical power in your interior lately? Your voltage regulator is responsible for maintaining a constant voltage out from the alternator.
Alternator
Alternator
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Valeo - Corporate Logo
T#:594101
Part#: 12318570672
In Stock at Vendor
$ 1,094.99

This product was last offered at the strikethrough price on
05-07-2026

$ 1,062.99 USD
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$ 1,062.99 USD
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Replacement Alternator from Valeo
Voltage Regulator
Voltage Regulator
Beru - Corporate Logo
T#:596879
Part#: 12321350052
In Stock at Vendor
$ 41.99

This product was last offered at the strikethrough price on
05-07-2026

$ 40.99 USD
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$ 40.99 USD
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If you are having issues with voltage peaking, lights fading in and out as your driving, or your battery keeps dying despite the car running, It could be the result of a faulty voltage regulator. Voltage regulators control the amount of power coming from the alternator.
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AUTOTECKNIC Dry Carbon Fiber Battery Terminal Cover - G87 M2
AUTOTECKNIC Dry Carbon Fiber Battery Terminal Cover - G87 M2 ...
AUTOTECKNIC - Corporate Logo
T#:21012623
Part#: ATK-BM-0420-G87
Ships in 7 Business Days
$ 495.00 USD
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$ 495.00 USD
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The boldly styled G87 already touts carbon features but carbon fiber is not very often displayed in the engine bay. If you are looking to give your engine bay some carbon spark, AUTOTECKNIC introduces you to their dry carbon battery terminal cover to beautify your engine bay and bring a smile to your face every time you open the hood of your S58 monster! Made from high-quality carbon, this product is sure to stand the test of time!
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Remanufactured Alternator - 170A
Remanufactured Alternator - 170A
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Valeo - Corporate Logo
T#:594098
Part#: 12317802929
Ships on Aug 6, 2026
$ 323.99 USD
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$ 323.99 USD
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Replacement Alternator from Valeo
MINI N14 N18 Alternator - 120 Amp 439617
MINI N14 N18 Alternator - 120 Amp 439617
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Valeo - Corporate Logo
T#:28803228
Part#: 12317619254
In Stock
$ 374.99 USD
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$ 374.99 USD
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MINI N14 N18 Alternator is an essential component for powering the electrical system of your Mini. Engineered to provide reliable performance, this alternator ensures your Mini stays running smoothly. Upgrade your Mini with this genuine alternator for dependable power generation.

  • Powers the electrical system
  • Reliable performance
  • Ensures smooth operation
  • Genuine Mini part
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Alternator
Alternator
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Valeo - Corporate Logo
T#:594102
Part#: 12311247288
Back Ordered
$ 547.99

This product was last offered at the strikethrough price on
05-08-2026

$ 532.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 532.99 USD
Free Shipping on orders $49 and up
Add to Wish List
Replacement Alternator from Valeo

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