Hella 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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OEM Hella Crankshaft Position Sensor - E36 325i 325is 325ic M3 1992-1...
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Hella - Corporate Logo
T#:2082
Part#: 12141726066
In Stock
$ 117.99

This product was last offered at the strikethrough price on
01-05-2026

$ 96.99 USD
Free Shipping
$ 96.99 USD
Free Shipping

This crank shaft position sensor provides the ECU with the engine speed signal. A faulty sensor could cause reduced performance, ignition issue, or even damage directly to internal components of your engine. An OEM Hella replacement ensures long life and is the best option to get your engine running smoothly again. It fits BMW E36 325i 325is 325ic M3 1992-1995 and E34 525i 1991-1995 with M50 engine.

Hella is a premium manufacturer that supplies automotive parts to numerous car brands across the world. Everything from electrical to mechanical genuine parts have been made and supplied directly to BMW before the vehicles ever leave the production floor. Their high quality, long lasting parts have made them a trusted brand chosen to help keep your BMW on the road for many years to come.

As a leading source of high performance BMW parts and accessories since 1993, we at Turner Motorsport are honored to be the go-to supplier for tens of thousands of enthusiasts the world over. With over two decades of parts, service, and racing experience under our belt, we provide only quality performance and replacement parts.  All of our performance parts are those we would (and do!) install and run on our own cars, as well as replacement parts that are Genuine BMW or from OEM manufacturers. We only offer parts we know you can trust to perform!

This item fits the following BMWs:
1992-1995 E36 BMW 325i 325is 325ic M3
1991-1995 E34 BMW 525i

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Camshaft Position Sensor
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Hella - Corporate Logo
T#:594791
Part#: 12141726548
In Stock at Vendor
$ 83.99

This product was last offered at the strikethrough price on
05-19-2026

$ 78.99 USD
Free Shipping
$ 78.99 USD
Free Shipping
Hella 5-Prong Fuel Injection Relay - E21, E23, E24, E28, E30, E34 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hella - Corporate Logo
T#:7175
Part#: 12631708646
In Stock at Vendor
$ 22.99

This product was last offered at the strikethrough price on
01-05-2026

$ 20.99 USD
Free Shipping on orders $49 and up
$ 20.99 USD
Free Shipping on orders $49 and up
This part has been superseded to BMW Part 12631708647

Hella Hella Horn - High Tone
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Hella - Corporate Logo
T#:592707
Part#: 2768551
In Stock
$ 30.99 USD
Free Shipping on orders $49 and up
Disc Type High-Tone, 12 V, 400 Hz with Bracket

Hella Hella Horn - Low Tone
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Hella - Corporate Logo
T#:590880
Part#: 2768082
In Stock
$ 36.99 USD
Free Shipping on orders $49 and up
Disc Type Low-Tone, 12 V, 335 Hz with Bracket
Hella Air Horn Kit
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Hella - Corporate Logo
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
Free Shipping on orders $49 and up
$ 139.99 USD
Free Shipping on orders $49 and up
Get noticed with this air horn kit from Hella!

Hella Crankshaft Position Sensor - E28, E30, E34
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hella - Corporate Logo
T#:591862
Part#: 12141720852
In Stock at Vendor
$ 118.99

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

$ 114.99 USD
Free Shipping
$ 114.99 USD
Free Shipping
Having a crank but no starting issue? This sensor is often the culprit
Crankshaft Position Sensor
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hella - Corporate Logo
T#:553500
Part#: 12141726065
Special Order: No Guaranteed ETA
$ 95.99 USD
Free Shipping
$ 95.99 USD
Free Shipping
The crankshaft sensor in your BMW does many important things. It relays to the engine computer the speed of the crank which is important for spark and fuel control. If your BMW cranks but won't start, there is a strong chance this sensor is your problem.
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Hella Horn - Low-Tone
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Hella - Corporate Logo
T#:28869559
Part#: 7424001
In Stock
$ 17.99 USD
Free Shipping on orders $49 and up
Universal fit. Not direct fit.

Hella Relay
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Hella - Corporate Logo
T#:592718
Part#: 965400001
In Stock
$ 14.99 USD
Free Shipping on orders $49 and up
12V 30A SPST relay with bracket
Hella Camshaft Position Sensor - E32, E34, E38
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Hella - Corporate Logo
T#:190829
Part#: 12141729291
Special Order: No Guaranteed ETA
$ 66.99 USD
Free Shipping on orders $49 and up
OEM BMW ENGINE ELECTRICAL CAMSHAFT SPEED SENSOR 12141731886.--

This item fits the following BMWs:
BMW 5 Series -540i
BMW 7 Series - 740i, 740iL
BMW 8 Series - 840i, 840ci

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Hella Horn - High-Tone
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
Hella - Corporate Logo
T#:592716
Part#: 7424011
In Stock
$ 17.99 USD
Free Shipping on orders $49 and up

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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