BMW Electrical Sensors, Switches, & Relays for BMW 3 Series F31 (2014+)

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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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Battery Cable - With Pole
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Bapmic - Corporate Logo
T#:54388517
Part#: 61129259425
In Stock at Vendor
New Item
$ 126.99 USD
Free Shipping on orders $49 and up
On the track or on the street, your BMW’s electrical architecture demands absolute consistency. A degraded positive battery cable introduces unwanted resistance, leading to weak starts, alternator strain, and erratic module behavior. When it’s time to replace a compromised factory cable, you don’t need over-hyped marketing—you need a part that fits precisely and restores factory grid integrity.
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Vargas Coolant Level Extension Harness - BMW B48/B58/S58
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:51813310
Part#: VTT-FAB-HC
Ships in 10 Business Days
New Item
Sale - Save 15% $ 49.99

This product was last offered at the strikethrough price on
07-02-2026

$ 42.49 USD
Free Shipping
Sale - Save 15%
$ 49.99

This product was last offered at the strikethrough price on
07-02-2026

$ 42.49 USD
Free Shipping
Simplify your next fabrication project with the VTT-FAB series Coolant Extension Harness.