Restore reliability to your E9x Headlights with ECS Tuning’s Premium Replacement Harness Kit.

Headlight electrical issues are a common headache for many E9x owners. Over time, the factory wiring inside Pre-LCI BMW E92 and E93 3 Series headlights, as well as all E9x M3 models equipped with factory Xenon adaptive lighting, tends to become brittle and crack. This well-known problem can lead to flickering lights, adaptive headlight malfunction warnings, or even internal shorts that cause costly damage. With genuine Xenon headlights becoming increasingly scarce, maintaining them has never been more important.

ECS Tuning offers a long-lasting solution with its Headlight Wiring Harness Repair Kit, engineered specifically to eliminate this failure point. Each harness is built from modern, heat-resistant materials and fitted with pre-terminated, OEM-style connectors for a clean, straightforward installation. The result is improved reliability and restored confidence in your lighting system.

Don’t wait until your lights fail or an adaptive headlight error appears. Replace your deteriorating factory harness with ECS Tuning’s upgraded repair kit and keep your lighting system performing as it should.

Key Features

Designed for Xenon Adaptive Headlights

OE-style fitment with enhanced insulation to resist cracking and heat damage

Complete set includes both left and right harnesses, plus integrated jump wire for full functionality

Detailed installation instructions provided for easy DIY installation

Fitment & compatibility:

All E90, E92, E93 M3
E92 Pre-LCI 328i, 328xi, 335i
E92 Pre-LCI 328i, 335i
Kit Contents:

Two headlight wiring harnesses (complete both left and right)
5x - heat shrink sleeves
18x - 22-24 gauge butt connectors
Product Development:

This headlight repair harness was developed, engineered, and quality-tested by ECS Tuning’s in-house Research & Development team. Every detail reflects ECS’s commitment to precision and durability, utilizing advanced tools and technology, including FARO laser scanning, SolidWorks 3D CAD modeling, in-house 3D printing for rapid prototyping, and long-term performance testing.

Installation & Support:

ECS Tuning provides a comprehensive installation guide that covers the entire process, from opening your OEM headlights to installing the new harness.

Upgrade your BMW's interior lighting with Ziza LED bulbs, offering a stunning revolution in automotive lighting. These LEDs provide superior brightness compared to stock bulbs, delivering higher light output and improved efficiency. With an effortless installation process, simply replace the old bulbs with these Ziza LEDs to achieve brilliant, bright white illumination throughout your interior. The Ziza LED Master Interior Lighting Kit includes bulbs for vanity, trunk, front and rear dome, and glove box lights, ensuring a comprehensive transformation with straightforward installation, thanks to custom-tailored instructions.

Product Benefits:

• Superior light output compared to stock bulbs
• Enhanced efficiency for brighter illumination
• Easy installation for immediate transformation
• Comprehensive interior lighting coverage
• Custom-tailored installation instructions for specific models

Enhance your BMW's visual appeal with the Turner Motorsport LED Angel Eye Bulbs. These bulbs represent a straightforward yet impactful upgrade, replacing the standard, lackluster yellow halogen bulbs with brilliant LED alternatives. Not only do these LED bulbs provide up to three times the brightness, but they also boast an extended lifespan. The plug-and-play kit ensures an easy, OEM-quality fitment without triggering any bulb-out warnings.

Key Features of LED Angel Eye Bulbs:

• 6000K Light Color: Revel in a clean and sharp light output that elevates your BMW's aesthetics.
• Up to 30,000 Hour Lifespan: These bulbs are engineered for longevity, granting you extended usage.
• OEM Installation: Designed for a seamless and trouble-free installation that maintains the quality of the original equipment manufacturer.
• Error Code Free: Bid farewell to error codes or warnings on your dashboard.
• Up to 3 Times Brighter: Experience significantly improved brightness in comparison to OEM bulbs.

These bulbs are sold as a pair, with two bulbs required per vehicle. For proper installation, please consult the provided installation instructions.

Note: This product is not DOT approved and is intended exclusively for off-road/track use. It is not approved for legal street use.

Our 24 SMD Led fender turn signals are not only an aesthetic upgrade, but they also increase visibility when you are switching lanes or turning. Direct plug and play, without the hassle of error codes guaranteed. Added reflector for complete illumination. Compatible with OEM fender grilles.

This product fits the following BMWs:
E90 / E92 / E93 M3 

BMW E90 E91 Halogen Headlights are designed as a perfect replacement for pre-facelift E9X models, offering improved style and reliable performance without triggering error codes. These halogen headlights provide a sleek, updated look that enhances the front end of your BMW E90 or E91, combining OEM quality with easy installation and dependable lighting.

• Ideal replacement for pre-facelift BMW E90 and E91 models, ensuring a seamless upgrade
• Error-free functionality, with no need for additional coding or wiring modifications
• OEM design with enhanced visual appeal, providing a clean and updated look
• Reliable halogen lighting for clear visibility and improved safety in various driving conditions
• Easy installation, engineered for a direct fit to avoid complex retrofitting processes

Choose these BMW E90 E91 Halogen Headlights for a straightforward upgrade that refreshes your BMW's appearance and enhances nighttime visibility.

Replace your cracked, scratched or damaged headlight assembly with this headlight.

Automotive lighting brand 

This item fits the following BMWs:
2006-2011 E90 BMW M3 - Sedan
2007-2013 E92 BMW M3 - Coupe
2007-2013 E93 BMW M3 - Convertible
2007-2010 E92 BMW 328i 328xi 328i xDrive 335i 335is 335xi 335i xDrive - Coupe
2007-2010 E93 BMW 328i 335i - Convertible
Only for cars with BMW option code S522A - Xenon Lights and S524A Adaptive Headlights