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
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Genuine BMW Terminal Socket - Mcon 2.8 - Multiple BMWs
Genuine BMW Terminal Socket - Mcon 2.8 - Multiple BMWs
Genuine BMW - Corporate Logo
T#:40627
Part#: 12527567482
In Stock
Sale - Save 52% $ 1.99

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

$ 0.95 USD
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Sale - Save 52%
$ 1.99

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

$ 0.95 USD
Free Shipping on orders $49 and up
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Used in a wide variety of BMW connectors, these terminal sockets can come in handy when working on your wiring components.
Genuine BMW Camshaft Position Sensor Connector Repair Kit
Genuine BMW Camshaft Position Sensor Connector Repair Kit
Genuine BMW - Corporate Logo
T#:58052445
Part#: 12527507526KT2
In Stock
New Item
$ 25.18 USD
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$ 25.18 USD
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Wire Pinning Kit - MLK 1.2 Female Jack
Wire Pinning Kit - MLK 1.2 Female Jack
Genuine BMW - Corporate Logo
T#:55281746
Part#: 125275WRKT
Ships in 1 day
New Item
$ 37.40 USD
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$ 37.40 USD
Free Shipping on orders $49 and up
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This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.
Temperature Sensor Wiring Repair Kit
Temperature Sensor Wiring Repair Kit
SenCom - Corporate Logo
T#:59038384
Part#: 10171
Ships on Dec 7, 2026
New Item
$ 32.99 USD
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$ 32.99 USD
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SenCom's repair kit restores it with a 2-wire, 200mm pigtail of silicone-insulated copper-tin wire.

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