BMW Electrical Sensors, Switches, & Relays for BMW 4 Series F32 (2014+)

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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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Innovate Motorsports - Corporate Logo
T#:28836410
Part#: 38770
In Stock at Vendor
$ 212.99 USD
Free Shipping on orders $49 and up

Features & Benefits:

Two configurable linear 0-5V analog outputs Ability to calibrate O2 sensors for maximum accuracy Includes LC-2 controller and Bosch wideband O2 sensor Comes with a program cable, manual, and a 10 ft. sensor cable Includes a 1-inch mild steel exhaust bung Innovate MTS serial in/out capability Integrated dual-color status LED (green/red) Patented DirectDigital™ wideband sensor control Positive lock connectors for all connections Real-time display data on screen or with the powerful LogWorks software Range:

AFR (Air-Fuel Ratio) range from 7.4:1 to 22.4:1 (0.5 to 1.5 lambda)

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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 - 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

OMP - Corporate Logo
T#:1614
Part#: EA-462
In Stock
$ 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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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!
MHD Tuning - Corporate Logo
T#:54852023
Part#: MHD-UNLOCKER
Ships on Aug 11, 2026
New Item
$ 373.99 USD
$ 373.99 USD
MHD Unlocker with a plug and play harness/connections - Simple and easy unlock at home in a few minutes!

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 - Corporate Logo
T#:592718
Part#: 965400001
Ships on Aug 7, 2026
$ 14.99 USD
Free Shipping on orders $49 and up
12V 30A SPST relay with bracket

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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Hella - Corporate Logo
T#:583197
Part#: 61219117877
Special Order: No Guaranteed ETA
$ 150.99 USD
Free Shipping
$ 150.99 USD
Free Shipping
Cable for battery


Hella - Corporate Logo
T#:599887
Part#: 13627602038
Special Order: No Guaranteed ETA
$ 151.99 USD
Free Shipping
$ 151.99 USD
Free Shipping
Ina - Corporate Logo
T#:42167226
Part#: EA0141
Back Ordered
$ 71.99 USD
Free Shipping on orders $49 and up
$ 71.99 USD
Free Shipping on orders $49 and up
Whether you're replacing a failing alternator pulley or performing preventive maintenance, this Alternator Pulley ensures your BMW continues to perform with factory precision and reliability.