Keystone SU2502173 Driver Side HID Headlight Assembly with Adaptive Lighting

The Keystone SU2502173 is a driver side (left) HID headlight assembly designed as a direct replacement for BMW 5-Series vehicles. This complete lens and housing assembly features high-intensity discharge (HID/Xenon) lighting technology with adaptive front lighting system (AFS) for enhanced visibility and safety.

Key Features:

• Driver side (left) headlight lens and housing assembly
• HID/Xenon light source with adaptive front lighting system
• Durable polycarbonate lens material with sealed ABS plastic housing
• DOT and SAE certified, meets FMVSS-108 safety standards
• Direct bolt-on design for straightforward installation
• OEM-quality fit and function

Technical Specifications:

• Partslink Number: BM2502173
• Replaces OEM Number: 63117271903
• Light Source: HID/Xenon
• Features: Adaptive Front Lighting System (AFS)
• Position: Driver Side (Left)

This aftermarket replacement headlight assembly provides the same form, fit, and function as the original equipment part. The assembly features impact-resistant construction with waterproof, dustproof, and shockproof design to ensure reliable performance and driving safety. Note that bulbs, ballast, and mounting hardware are typically not included and must be transferred from the original assembly or purchased separately.