TYC 20-9773-91 Headlight Assembly - Right

Overview of TYC Regular Right Headlight Assembly for BMW

The TYC Regular right headlight assembly, part number 20-9773-91, is designed specifically for select BMW models including the 428i, 430i, 435i, 440i, M3, and M4 series. This headlight assembly features a clear PC plastic lens and durable PP plastic housing, engineered to meet SAE/DOT compliance standards for exterior lighting.

• Right side headlight assembly compatible with multiple BMW 4 Series and M models
• Includes lens and housing components; bulbs are not included except for front signal and park lamp bulbs
• Equipped with HID D1S bulb types for both low and high beams (bulbs not included)
• Front signal light bulb included (Halogen PY24W) and park lamp bulb included (LED)
• Features an AFS motor for adaptive front lighting system functionality
• Clear lens color with PC plastic lens and PP plastic housing for durability
• Daytime running light bulb not included; uses LED type
• Meets SAE/DOT compliance for safety and performance

Detailed Product Description

The TYC Regular 20-9773-91 headlight assembly is engineered to restore or upgrade the exterior lighting system on compatible BMW vehicles. This assembly includes the lens and housing but does not come with the low beam or high beam HID bulbs, allowing users to install their preferred bulbs or reuse existing ones. The clear PC plastic lens ensures optimal light transmission, while the PP plastic housing provides resistance to environmental elements. The assembly also incorporates an AFS motor, enabling adaptive front lighting system adjustments for improved visibility during cornering. Included in the assembly are the front signal light bulb (halogen PY24W) and the park lamp bulb (LED), ensuring essential lighting functions are operational upon installation.

Compatible BMW Models and Applications

• BMW 428i, 428i Gran Coupe, 428i xDrive, 428i xDrive Gran Coupe
• BMW 430i, 430i Gran Coupe, 430i xDrive, 430i xDrive Gran Coupe
• BMW 435i, 435i Gran Coupe, 435i xDrive, 435i xDrive Gran Coupe
• BMW 440i, 440i Gran Coupe, 440i xDrive, 440i xDrive Gran Coupe
• BMW M3 and M4 models

Common Issues Addressed by This Headlight Assembly

• Cracked or damaged headlight lens or housing
• Malfunctioning adaptive front lighting system (AFS motor)
• Non-functional front signal or park lamp bulbs
• Faded or cloudy lens reducing light output
• Replacement for OEM headlight assemblies after collision or wear

Installation Notes and Tips

Installation of the TYC Regular 20-9773-91 headlight assembly requires removal of the existing right side headlight. Bulbs for low beam and high beam (HID D1S) must be sourced separately as they are not included. The assembly comes with front signal and park lamp bulbs pre-installed. Ensure proper alignment of the AFS motor during installation to maintain adaptive lighting functionality. Verify all electrical connections are secure and test all lighting functions before completing installation.

Quality Assurance and Warranty

TYC Regular parts are manufactured to meet or exceed OEM standards, ensuring reliable fit and function. This headlight assembly complies with SAE and DOT regulations for safety and performance. While specific warranty details are not provided here, TYC typically offers limited warranties covering defects in materials and workmanship.