BMW Electrical Sensors, Switches, & Relays for BMW 8 Series E31 (1991-1997)

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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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Crankshaft Position Sensor
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T#:37858379
Part#: 13627839138
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$ 22.43 USD
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The flywheel sensor monitors the rotational speed of the flywheel and transmits this data to the ECU/DME, which uses it to optimize engine performance. A faulty flywheel sensor can lead to rough running or prevent the engine from starting altogether.
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Hella Hella Horn - Low Tone
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T#:590880
Part#: 2768082
In Stock
$ 36.99 USD
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Disc Type Low-Tone, 12 V, 335 Hz with Bracket
Hella Hella Horn - High Tone
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T#:592707
Part#: 2768551
In Stock
$ 30.99 USD
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Disc Type High-Tone, 12 V, 400 Hz with Bracket

Hella Air Horn Kit
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T#:592708
Part#: 3001651
In Stock at Vendor
$ 143.99

This product was last offered at the strikethrough price on
05-07-2026

$ 139.99 USD
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$ 139.99 USD
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Get noticed with this air horn kit from Hella!

OEM Hella Crankshaft Position Sensor - Multiple BMWs
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T#:2084
Part#: 13627839138
Special Order: No Guaranteed ETA
$ 99.99 USD
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$ 99.99 USD
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This crank shaft position sensor provides the ECU with the engine speed signal. OEM Hella sensors are a perfect replacement for faulty position sensors causing poor engine operation. It is mounted in the bell housing at about the 7 o'clock postion of the transmission on most cars. This sensor fits BMW E90 E92 E93 M3, E39 540i M5, E60 M5, E63 M6, E38 740i 740il 750il 1997-2001, E31 840ci 850ci, E52 Z8.
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Hella Horn - Low-Tone
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T#:28869559
Part#: 7424001
In Stock
$ 17.99 USD
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Universal fit. Not direct fit.

Hella Horn - High-Tone
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T#:592716
Part#: 7424011
In Stock
$ 17.99 USD
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Upgrade the sound of your BMW or MINI with the Hella Horn - High-Tone. This high-quality horn delivers a powerful and attention-grabbing sound, enhancing safety on the road. Designed for easy installation, it provides a quick and effective way to improve the audible presence of your vehicle.

  • Powerful and attention-grabbing sound
  • Enhances safety on the road
  • Easy installation for convenience
  • Compatible with BMW and MINI models
  • High-quality construction for durability

Enhance the audible presence of your BMW or MINI with the Hella Horn - High-Tone, ensuring you're heard when it matters most.

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Hella Relay
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T#:592718
Part#: 965400001
In Stock
$ 14.99 USD
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12V 30A SPST relay with bracket

Electrical Connector - Priced Each
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T#:367145
Part#: 61132359999
Ships in 1 Business Day
$ 18.99 USD
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2 pin used in many locations on late model BMWs

Brake Switch - 4 Prong
For vehicles with production date up to 09/1992
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T#:373217
Part#: 61318360417
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$ 15.52 USD
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$ 15.52 USD
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Located on the brake pedal, this switch is vital to your brake light function. In the event that your vehicle's brake lights are not working and simultaneously showing a "brake light circuit failure", you should replace this part.
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URO Parts Air Temperature Sensor - 13621725324
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T#:25739332
Part#: 13621725324
Ships in 1 Business Day
$ 13.99 USD
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Found on the intake air box or throttle body boot, this sensor relays intake air temperature information to the DME. Commonly referred to as the IAT sensor, this component will cause erratic idle, loss of power and a check engine light upon failure. Prevent these issues with this high-quality replacement from URO parts.

URO Parts offers more than 8,000 high-quality spare parts, many of which are specifically designed to replace factory BMW components. Their business was founded on the premise of producing parts that adhere to the highest standards of precision, materials, and workmanship. Each part is closely evaluated by a team of industry professionals to determine how to offer the best blend of durability, function, and price. If you're looking for quality replacement components at a reasonable price, look no further than URO Parts.

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Air Temperature Sensor
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T#:403093
Part#: 13621739510
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$ 14.99 USD
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Monitors intake air temperature


Bushing Contact With Wire Lead - Priced Each
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T#:14783536
Part#: 61130005199
In Stock
$ 3.99 USD
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