BMW Electrical Sensors, Switches, & Relays for BMW 3 Series E46 (1999-2005)

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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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Schwaben Automatic Battery Tender
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Schwaben - Corporate Logo
T#:378277
Part#: 005979SCH01A
In Stock
Sale - Save 30% $ 103.99

This product was last offered at the strikethrough price on
11-07-2026

$ 72.79 USD
Free Shipping on orders $49 and up
Sale - Save 30%
$ 103.99

This product was last offered at the strikethrough price on
11-07-2026

$ 72.79 USD
Free Shipping on orders $49 and up
This Schwaben Battery Charger is designed to work on 6 or 12 volt Lead-acid batteries only, includes WET, MF,AGM and GEL types. Do not use on dry cell batteries commonly used in appliances. Charger features, Charging voltage auto select. Selectable Charging current,8 LED indicators, No risk of overcharging, overheating protection, Short circuit protection.
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Bremi - Corporate Logo
T#:34683819
Part#: 12147539165
In Stock
$ 48.99

This product was last offered at the strikethrough price on
07-15-2026

$ 44.99 USD
Free Shipping on orders $49 and up
$ 44.99 USD
Free Shipping on orders $49 and up

Bremi Camshaft Position Sensor - Intake is an essential component for optimizing your BMW’s engine timing and performance. Manufactured by Bremi and available through Turner Motorsport, this high-quality intake camshaft position sensor precisely monitors the camshaft’s rotation and communicates critical data to the engine control unit. By ensuring accurate timing for the intake valves, this sensor helps maintain optimal fuel efficiency, smooth idling, and reduces emissions. Replacing a faulty camshaft position sensor can prevent common engine issues such as misfires, stalling, or rough idling.

The Bremi Camshaft Position Sensor - Intake meets OEM specifications, providing a reliable, durable solution that’s designed to withstand high temperatures and vibration for long-lasting performance.

Benefits:

Improves Engine Timing: Provides precise timing data for smooth, responsive engine performance Enhances Fuel Efficiency: Optimizes fuel use, saving on fuel costs and reducing environmental impact Reduces Emissions: Helps maintain cleaner combustion and lowers vehicle emissions Prevents Engine Issues: Minimizes risk of misfires, rough idling, and stalling, prolonging engine life Easy to Install: Direct fit for BMW models, making replacement quick and hassle-free Bremi Camshaft Position Sensor - Intake is the perfect choice to maintain your BMW’s high performance and reliability.

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Schwaben Self-Adjusting Wire Stripper/Cutter/Crimper
10X Entries Into Our F80 M3 Sweepstakes 10X Entries For Our Spin To Win Sweepstakes!
Schwaben - Corporate Logo
T#:37622217
Part#: 3774SCH01A
In Stock
Sale - Save 15% $ 23.99

This product was last offered at the strikethrough price on
11-07-2026

$ 20.39 USD
Free Shipping on orders $49 and up
Sale - Save 15%
$ 23.99

This product was last offered at the strikethrough price on
11-07-2026

$ 20.39 USD
Free Shipping on orders $49 and up

Schwaben's Self-Adjusting Wire Strippers are an essential addition to any garage or toolbox. Engineered with precision and versatility, these wire strippers automatically adapt to various wire sizes, making them perfect for a wide range of automotive and electrical applications.

Crafted with Schwaben's renowned quality standards, this tool ensures reliable performance and long-lasting durability, helping you tackle wiring tasks efficiently and accurately. Whether you're a professional mechanic or a DIY enthusiast, these wire strippers are your go-to solution for seamless and precise wiring repairs.

Key Features:

Ergonomic Design: 6-inch handles with rubber grips provide superior comfort and control during use. Self-Adjusting Stripper Jaws: Serrated jaws offer a secure grip for consistent and accurate stripping. Adjustable Depth Gauge: Enables precise, repeatable wire stripping to match your project’s needs. Wide Range Compatibility: Strips wires ranging from 10 to 24 AWG with ease. Integrated Wire Cutter: Effortlessly slices wires between 10 and 24 AWG. Built-In Crimper: Crimps both insulated and non-insulated wires in sizes from 10 to 22 AWG. Schwaben’s Self-Adjusting Wire Strippers combine precision, convenience, and durability into one must-have tool, ensuring professional results for every project.

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OMP - Corporate Logo
T#:1614
Part#: EA-462
Back Ordered
$ 65.00 USD
Free Shipping
$ 65.00 USD
Free Shipping
OMP Battery Cut Off Switch / Kill Switch, for use in racecars as an emergency "kill switch", to depower the electrical system in the event of a crash or other emergency. This cut off switch is FIA approved, has 6 poles and alternator protection, as well as a removable key.
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Performance Tool - Corporate Logo
T#:1809154
Part#: W5368
Ships in 1 Business Day
$ 13.68 USD
Free Shipping on orders $49 and up
A must for any toolbox.