Home
Engine Parts
Electrical System

BMW Electrical Sensors, Switches, & Relays for BMW Z Series G29 (2019+)

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.

Sub-Categories

Sort By:

Knock Sensor

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

T#:54388475

Part#: 13627636937

In Stock

$ 29.99 USD

Add to Wish List

Qty

$ 29.99 USD

Add to Wish List

Keep your ignition timing razor-sharp and your engine safe from destructive detonation. This replacement Knock Sensor acts as your engine's first line of defense, constantly listening for pre-ignition "pinging" or knocking.

Show More Show Less

Battery Tender Plus Advanced Battery Charging System

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

T#:49892371

Part#: BTT0210128

Back Ordered

$ 69.99 USD

Add to Wish List

Qty

$ 69.99 USD

Add to Wish List

Genuine BMW Basic Cotrol Unit DME 8CT0-NOX

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

T#:49543753

Part#: 12145B32771

Ships in 5 Business Days

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

Add to Wish List

Qty

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

Add to Wish List

Replaces faulty or broken cotrol unit

Wire Pinning Kit - MLK 1.2 Female Jack

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

T#:55281746

Part#: 125275WRKT

Ships in 8 Business Days

$ 37.40 USD

Add to Wish List

Qty

$ 37.40 USD

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.

Morimoto Standalone Can-Bus Wiring Harness - H4 / 9003 - Priced Each ...

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

T#:54388428

Part#: H240

Ships on Jul 21, 2026

Sale - Save 17% $ 21.99

This product was last offered at the strikethrough price on
06-23-2026

$ 18.21 USD

Add to Wish List

Qty

Sale - Save 17%

$ 21.99

This product was last offered at the strikethrough price on
06-23-2026

$ 18.21 USD

Add to Wish List

Crankshaft Pulse Sensor

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

T#:55030835

Part#: 3148100018

Ships on Oct 30, 2026

$ 15.99 USD

Add to Wish List

Qty

$ 15.99 USD

Add to Wish List

Keep your ultimate driving machine running the way it was engineered to with this reliable replacement.

Select Vehicle

Purpose

Category

Electrical System

Brand

Price

Special Offers

Shipping