BMW Electrical Sensors, Switches, & Relays for BMW 3 Series E46 (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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New Alternator - 120A
New Alternator - 120A
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bavarian Autosport - Corporate Logo
T#:25042543
Part#: 12317501690
In Stock
Sale - Save 20% $ 211.99

This product was last offered at the strikethrough price on
11-07-2026

$ 169.59 USD
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Sale - Save 20%
$ 211.99

This product was last offered at the strikethrough price on
11-07-2026

$ 169.59 USD
Free Shipping on orders $49 and up
Add to Wish List
Alternator - 120amp
Alternator - 120amp
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Bavarian Autosport - Corporate Logo
T#:25042542
Part#: 12317831436
In Stock
Sale - Save 25% $ 222.99

This product was last offered at the strikethrough price on
11-07-2026

$ 167.24 USD
Free Shipping on orders $49 and up
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Sale - Save 25%
$ 222.99

This product was last offered at the strikethrough price on
11-07-2026

$ 167.24 USD
Free Shipping on orders $49 and up
Add to Wish List
Liqui-Moly Battery Clamp Grease - 50 grams
Liqui-Moly Battery Clamp Grease - 50 grams
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
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Liqui-Moly - Corporate Logo
T#:1195997
Part#: 20244
In Stock
Sale - Save 27% $ 6.85

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

$ 5.03 USD
Free Shipping on orders $49 and up
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Sale - Save 27%
$ 6.85

This product was last offered at the strikethrough price on
08-31-2026

$ 5.03 USD
Free Shipping on orders $49 and up
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Excellent corrosion protection for your battery and other connections

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