BMW Electrical Sensors, Switches, & Relays for BMW 3 Series F34 (2014+)

Clear BMW chassis

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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Denso Alternator

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

T#:384619

Part#: 12317616119

Back Ordered

$ 442.99 USD

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$ 442.99 USD

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Denso Brand

When power starts to fade in your BMW, chances are your alternator is losing power. The warning light should illuminate, warning you of such a failure. Replace with a new unit today. Do not get stuck on the side of the road.

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Denso Starter Motor - BMW N55 S55 3.0L

For vehicles with an Automatic Transmission

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

T#:40004863

Part#: 12417631559

In Stock at Vendor

$ 461.99

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

$ 446.99 USD

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$ 446.99 USD

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If your car won't turn over, there is a good chance your starter is shot. Denso's OEM starter is a high quality replacement that will give you peace of mind thanks to its long life-span.

Vargas MAP Sensor Extension Harness - BMW B58, N54, N55, S55, S58, S6...

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

T#:51672717

Part#: VTT-MAP-HARNESS

Ships in 10 Business Days

Sale - Save 15% $ 59.99

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

$ 50.99 USD

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Sale - Save 15%

$ 59.99

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

$ 50.99 USD

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As part of the VTT-FAB fabrication line, this extension harness is designed for builders and tuners who need flexibility.

Vargas Plug & Play Pre And Post Throttle MAP Sensor Kit - 6B 4W - BMW...

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

T#:52129729

Part#: VTT56BSENSKIT64

Ships in 10 Business Days

Sale - Save 15% $ 209.99

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

$ 178.49 USD

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Qty

Sale - Save 15%

$ 209.99

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

$ 178.49 USD

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The VTT 6-Bar MAP sensor kit provides the necessary overhead to monitor boost levels with a linear voltage scale that makes software calibration straightforward.

Vargas Coolant Level Extension Harness - BMW B48/B58/S58

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

T#:51813310

Part#: VTT-FAB-HC

Ships in 10 Business Days

Sale - Save 15% $ 49.99

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

$ 42.49 USD

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Qty

Sale - Save 15%

$ 49.99

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

$ 42.49 USD

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Simplify your next fabrication project with the VTT-FAB series Coolant Extension Harness.

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BMW Electrical Sensors, Switches, & Relays for BMW 3 Series F34 (2014+)

Sub-Categories

Denso Alternator

Denso Starter Motor - BMW N55 S55 3.0L

Vargas MAP Sensor Extension Harness - BMW B58, N54, N55, S55, S58, S6...

Vargas Plug & Play Pre And Post Throttle MAP Sensor Kit - 6B 4W - BMW...

Vargas Coolant Level Extension Harness - BMW B48/B58/S58

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