BMW Electrical Sensors, Switches, & Relays for BMW 5 Series E34 (1987-1995)

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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
10X Entries Into Our F80 M3 Sweepstakes
Schwaben - Corporate Logo
T#:378277
Part#: 005979SCH01A
In Stock
Sale - Save 25% $ 100.99

This product was last offered at the strikethrough price on
05-02-2026

$ 75.74 USD
Free Shipping on orders $49 and up
Sale - Save 25%
$ 100.99

This product was last offered at the strikethrough price on
05-02-2026

$ 75.74 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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Hitachi Voltage Regulator - BMW E31 E32 E34 E36
For vehicles with compact alternator
Hitachi - Corporate Logo
T#:48850064
Part#: 12311747920
Ships in 7 Business Days
$ 37.99 USD
Free Shipping on orders $49 and up
$ 37.99 USD
Free Shipping on orders $49 and up
This voltage regulator is a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to maintain a safe range of vehicle voltage, thereby protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator.
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Schwaben Self-Adjusting Wire Stripper/Cutter/Crimper
10X Entries Into Our F80 M3 Sweepstakes
Schwaben - Corporate Logo
T#:37622217
Part#: 3774SCH01A
In Stock
Sale - Save 15% $ 22.99

This product was last offered at the strikethrough price on
05-03-2026

$ 19.54 USD
Free Shipping on orders $49 and up
Sale - Save 15%
$ 22.99

This product was last offered at the strikethrough price on
05-03-2026

$ 19.54 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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Hitachi - Corporate Logo
T#:48850070
Part#: 12321739435
Back Ordered
$ 60.99 USD
Free Shipping on orders $49 and up
$ 60.99 USD
Free Shipping on orders $49 and up
Alternator voltage regulators are a crucial component that controls the alternator's output, preventing overcharging by adjusting the current to keep vehicle voltage within a safe range, protecting the battery and electrical system. Symptoms of failure include dim lights, battery warnings, or a dead battery, often requiring replacement, which can be internal or external to the alternator
Show More Show Less