Find Parts That Fit Your Vehicle

BMW Electrical Sensors, Switches, & Relays

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.

Sub-Categories

Sort By:
Bosch Starter Motor With Hardware
Bosch Starter Motor With Hardware
Packaged by Turner - Corporate Logo
T#:56110332
Part#: SR0492NKT4
In Stock
New Item
$ 273.99

This product was last offered at the strikethrough price on
08-14-2026

$ 261.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 261.99 USD
Free Shipping on orders $49 and up
Add to Wish List
At the core is a brand-new Bosch Starter Motor, engineered to withstand extreme operating conditions while delivering immediate cranking speed. This kit includes also the required Genuine BMW Aluminum Mounting Screw Set.
Show More Show Less
Battery Cable - With Pole
Battery Cable - With Pole
Bapmic - Corporate Logo
T#:54388517
Part#: 61129259425
Ships in 2 Business Days
New Item
$ 126.99 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 126.99 USD
Free Shipping on orders $49 and up
Add to Wish List
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.
Show More Show Less
Vargas Coolant Level Extension Harness - BMW B48/B58/S58
Vargas Coolant Level Extension Harness - BMW B48/B58/S58
Vargas Turbo Technologies - Corporate Logo
T#:51813310
Part#: VTT-FAB-HC
Ships in 10 Business Days
New Item
$ 49.99 USD
Free Shipping
Add to Wish List
$ 49.99 USD
Free Shipping
Add to Wish List
Simplify your next fabrication project with the VTT-FAB series Coolant Extension Harness.
Vargas MAP Sensor Extension Harness - BMW B58, N54, N55, S55, S58, S63
Vargas MAP Sensor Extension Harness - BMW B58, N54, N55, S55, S58, S6...
Vargas Turbo Technologies - Corporate Logo
T#:51672717
Part#: VTT-MAP-HARNESS
Ships in 10 Business Days
New Item
$ 59.99 USD
Free Shipping
Add to Wish List
$ 59.99 USD
Free Shipping
Add to Wish List
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 B58/S55/S58
Vargas Plug & Play Pre And Post Throttle MAP Sensor Kit - 6B 4W - BMW...
Vargas Turbo Technologies - Corporate Logo
T#:52129729
Part#: VTT56BSENSKIT64
Ships in 10 Business Days
New Item
$ 209.99 USD
Free Shipping
Add to Wish List
$ 209.99 USD
Free Shipping
Add to Wish List
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 USB To Serial For HPFP Controller - BMW N54
Vargas USB To Serial For HPFP Controller - BMW N54
Vargas Turbo Technologies - Corporate Logo
T#:51778112
Part#: N54-USB-SERIAL-H
Ships in 10 Business Days
New Item
$ 37.99 USD
Free Shipping
Add to Wish List
$ 37.99 USD
Free Shipping
Add to Wish List
Take full control of your N54’s fueling system with the Vargas Turbo Technologies USB to Serial adapter.
Genuine BMW Battery Management Electronics Control Module - BMW G09 G60 G70
Genuine BMW Battery Management Electronics Control Module - BMW G09 G...
Genuine BMW - Corporate Logo
T#:55785659
Part#: 61278882634
Ships in 2 Business Days
New Item
3% off MSRP $ 1,572.99

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

$ 1,532.99 USD
Free Shipping on orders $49 and up
Add to Wish List
3% off MSRP
$ 1,572.99

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

$ 1,532.99 USD
Free Shipping on orders $49 and up
Add to Wish List
When this critical high-voltage module succumbs to internal hardware failure or water intrusion, your PHEV BMW will instantly lock out its charging capabilities and disable all electric driving modes to protect the vehicle's complex electrical grid. Don't let a failed module keep your hybrid system sidelined. This Genuine BMW replacement unit is the exact factory-spec computer required to replace your corrupted original, fully restoring accurate electric range reporting, optimal cell balancing, and crucial factory safety parameters to your high-voltage accumulator pack.
Show More Show Less
Terminal Repair Kit
Terminal Repair Kit
Genuine BMW - Corporate Logo
T#:55281756
Part#: 61138TRKT
Ships in 3 Business Days
New Item
$ 42.36 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 42.36 USD
Free Shipping on orders $49 and up
Add to Wish List
This terminal repair kit is the ideal companion for refreshing damaged wiring pins and keeping your chassis' electrical system functioning flawlessly.
Ground Cable - B48/S58
Ground Cable - B48/S58
Genuine BMW - Corporate Logo
T#:50311456
Part#: 12425B586B0
Ships in 8 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
Add to Wish List
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
Add to Wish List
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.
Show More Show Less
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 9 Business Days
New Item
$ 37.40 USD
Free Shipping on orders $49 and up
Add to Wish List
$ 37.40 USD
Free Shipping on orders $49 and up
Add to Wish List
This Genuine BMW wiring repair kit is the ideal solution to refresh worn-out terminal connections in your Ultimate Driving Machine.
RP BASE CONTROL UNIT DME
RP BASE CONTROL UNIT DME
Genuine BMW - Corporate Logo
T#:56869523
Part#: 12145B94D28
Ships in 8 Business Days
New Item
3% off MSRP $ 3,430.99

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

$ 3,321.99 USD
Add to Wish List
3% off MSRP
$ 3,430.99

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

$ 3,321.99 USD
Add to Wish List

Select Vehicle

BMW Mini
Clear Vehicle

Purpose

Category

Brand

Price

$
$

Special Offers

Shipping