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Electronics

A BMW headlight electronics system ensures optimal visibility, safety, and a modern, customized appearance. Over time, common issues such as flickering LED daytime running lights (DRLs), failing headlight control modules, or malfunctioning adaptive headlight systems can reduce lighting performance and safety. Upgrading to high-quality BMW LED DRL modules, headlight control units, and ballast units restores proper functionality and enhances night-time driving clarity. Many BMW owners also opt for custom LED DRL color-changing modules to achieve a popular, stylish look with yellow, blue, or various multicolor DRLs, giving their vehicle a modern and aggressive aesthetic. Turner Motorsport offers OEM replacement headlight electronics and LED DRL color-changing modules, ensuring seamless operation, perfect fitment, and a cutting-edge appearance.
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V12Throttle - Corporate Logo
T#:38128018
Part#: 63128354547KT
In Stock
$ 219.99 USD
Free Shipping on orders $49 and up

BMW E31 Headlight Wiring Harness is the ultimate replacement solution for all US Spec models of the BMW E31 platform. This complete pair, including both left and right headlight harnesses, is designed to restore functionality and reliability to your lighting system. Each harness is equipped with pre-installed connector plugs, eliminating the need for wire splicing or time-consuming modifications. It replicates the original BMW part with precision, ensuring a seamless fit and finish, despite being discontinued for years.

Constructed using top-grade materials and precision injection molding, this wiring harness offers unmatched durability and performance. If your vehicle's headlight wiring is compromised, it’s advisable to inspect and replace the lower FTP light strip wiring harness as well, as many BMW E31 models are prone to degradation in both components.

  • Specifically engineered for all US Spec BMW E31 models
  • Includes a complete set of left and right headlight wiring harnesses
  • Plug-and-play installation with pre-installed connector plugs—no splicing needed
  • Precision injection-molded construction ensures long-lasting reliability
  • Perfect replica of the original OEM BMW part, no longer in production
  • Fixes common issues caused by deteriorating or faulty headlight wiring
  • Enhances the functionality and appearance of your headlight system
  • Compatible with lower FTP light strip wiring harness for comprehensive repairs
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Arnott - Corporate Logo
T#:45997515
Part#: RH-4387
In Stock
$ 86.99 USD
Free Shipping on orders $49 and up
Keep your BMW’s adaptive lighting system performing just as it should with this Arnott Headlight Level Sensor. Attached to the suspension, this vital component constantly measures ride height and relays it to the control module—keeping your headlights automatically leveled whether you’re driving alone or fully loaded. When the factory sensor fails, you may notice beams aimed incorrectly, warning lights on the dash, or headlights stuck too high or too low. Arnott’s replacement brings everything back to spec with OE-quality design, direct-fit construction, and simple plug-and-play installation. Why Arnott? Restores lighting precision – Maintains correct beam level and clear road visibility. Exact OE fit – Installs easily without modification. Engineered for durability – Built to handle constant suspension movement and harsh conditions. Don’t put up with poor night visibility or annoying warnings. Regain safety and peace of mind with Arnott’s dependable direct-fit solution.
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Arnott - Corporate Logo
T#:45997516
Part#: RH-4437
In Stock
$ 77.99

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

$ 68.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
$ 77.99

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

$ 68.99 USD
Limited Qty Sale
Free Shipping on orders $49 and up
Keep your BMW’s adaptive lighting system performing just as it should with this Arnott Headlight Level Sensor. Attached to the suspension, this vital component constantly measures ride height and relays it to the control module—keeping your headlights automatically leveled whether you’re driving alone or fully loaded. When the factory sensor fails, you may notice beams aimed incorrectly, warning lights on the dash, or headlights stuck too high or too low. Arnott’s replacement brings everything back to spec with OE-quality design, direct-fit construction, and simple plug-and-play installation. Why Arnott? Restores lighting precision – Maintains correct beam level and clear road visibility. Exact OE fit – Installs easily without modification. Engineered for durability – Built to handle constant suspension movement and harsh conditions. Don’t put up with poor night visibility or annoying warnings. Regain safety and peace of mind with Arnott’s dependable direct-fit solution.
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Hella - Corporate Logo
T#:31125644
Part#: 226971611
Special Order: No Guaranteed ETA
$ 48.99 USD
Free Shipping on orders $49 and up