TYC 20-3668-00 Headlight Assembly - Left

Overview of TYC Regular Headlight Assembly for BMW Models

The TYC Regular Headlight Assembly 20-3668-00 is designed specifically for select BMW vehicles, including the 318i, 318is, 318ti, 320i, 323i, 323is, 323ti, 325i, 325is, 328i, 328is, and M3 models. This headlight assembly comes complete with halogen bulbs for both high and low beams, ensuring reliable exterior lighting performance.

• Includes both high beam and low beam halogen bulbs (HB3/HB4)
• Durable plastic lens and housing materials
• Meets SAE and DOT compliance standards
• Compatible with BMW 3 Series and M3 models listed
• Part number 20-3668-00 for precise fitment

Detailed Features and Specifications

This TYC Regular headlight assembly features a plastic lens and housing, providing a lightweight yet sturdy construction suitable for exterior lighting needs. Both the high beam and low beam bulbs are included, using halogen technology (HB3 for high beam and HB3/HB4 for low beam), which offers consistent illumination. The assembly is designed to meet SAE and DOT compliance, ensuring it adheres to safety and regulatory standards for road use. The part number 20-3668-00 corresponds to the driver side headlight, with the matching passenger side part number 20-3667-00.

About the TYC Regular Product Line

The TYC Regular product line focuses on providing reliable, OEM-quality replacement parts that meet original equipment specifications. This headlight assembly from the TYC Regular line is engineered to offer a direct fit and function for compatible BMW models, making it a practical choice for maintaining vehicle lighting performance without modification.

Common Applications and Problem Resolution

• Replacement for cracked or damaged headlight lenses
• Restores proper lighting after bulb or assembly failure
• Improves visibility by replacing fogged or yellowed headlights
• Ensures compliance with vehicle lighting regulations
• Addresses electrical or housing damage from minor collisions

Installation Notes and Tips

Installation of the TYC Regular headlight assembly 20-3668-00 is straightforward for those familiar with BMW 3 Series and M3 front-end components. It is recommended to disconnect the vehicle battery before installation to avoid electrical issues. Verify bulb connections and alignment after installation to ensure optimal lighting performance. The assembly is designed for a direct replacement, requiring no additional modifications.

Quality Assurance and Warranty

TYC Regular headlight assemblies are manufactured to meet or exceed OEM standards, providing dependable performance and durability. This product is SAE and DOT compliant, ensuring it meets safety requirements. Warranty details are provided by TYC and typically cover defects in materials and workmanship for a specified period; please refer to TYC documentation for exact terms.