BMW Electrical Sensors, Switches, & Relays for BMW 4 Series G22 (2021+)

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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 Tender Plus Advanced Battery Charging System
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Battery Tender - Corporate Logo
T#:49892371
Part#: BTT0210128
In Stock at Vendor
New Item
$ 69.99 USD
Free Shipping on orders $49 and up
Vargas Plug & Play Pre And Post Throttle MAP Sensor Kit - 6B 4W -...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:52129729
Part#: VTT56BSENSKIT64
Ships in 10 Business Days
New Item
$ 209.99 USD
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$ 209.99 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
Vargas Turbo Technologies - Corporate Logo
T#:51813310
Part#: VTT-FAB-HC
Ships in 10 Business Days
New Item
$ 49.99 USD
Free Shipping
$ 49.99 USD
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Simplify your next fabrication project with the VTT-FAB series Coolant Extension Harness.

Vargas MAP Sensor Extension Harness - BMW B58, N54, N55, S55, S58, S6...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Vargas Turbo Technologies - Corporate Logo
T#:51672717
Part#: VTT-MAP-HARNESS
Ships in 10 Business Days
New Item
$ 59.99 USD
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$ 59.99 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.

Genuine BMW Basic Cotrol Unit DME 8CT0-NOX
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:49543753
Part#: 12145B32771
Ships in 4 Business Days
New Item
4% off MSRP $ 2,409.99

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

$ 2,319.99 USD
Free Shipping on orders $49 and up
4% off MSRP
$ 2,409.99

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

$ 2,319.99 USD
Free Shipping on orders $49 and up
Replaces faulty or broken cotrol unit
Ground Cable - B48/S58
For vehicles with prod date up to 06/2025
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Genuine BMW - Corporate Logo
T#:50311456
Part#: 12425B586B0
Ships in 7 Business Days
New Item
3% off MSRP $ 60.99

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

$ 58.99 USD
Free Shipping on orders $49 and up
3% off MSRP
$ 60.99

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

$ 58.99 USD
Free Shipping on orders $49 and up
Your vehicle’s ground strap plays a vital role in maintaining a healthy electrical system. Exposure to heat, corrosion, and constant vibration can degrade the strap over time, resulting in weak or inconsistent electrical connections. When the ground strap begins to fail, symptoms can include hard starting, flickering or dim lights, warning messages, erratic sensor behavior, or complete no-start situations. Replacing a worn ground strap restores proper current flow, protects sensitive electronics, and keeps your engine and electrical systems operating reliably.
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