X AUTOHAUX Front Headlight Lens Cover for BMW 3/4‑Door 2002–2005 — Clear Polycarbonate, OE Fit

Replacement clear front headlight lens cover for compatible BMW 3/4‑door models that restores protection and light output without altering beam performance.

This X AUTOHAUX front headlight headlamp lens cover is designed as a direct-fit replacement for a range of early‑2000s BMW 3‑series and 4‑door models. Molded from durable polycarbonate, the clear shell resists yellowing and preserves light transmission while shielding the headlight assembly from road debris, water, and dust. It matches OE mounting points and numbers for a straightforward swap when your original cover is cracked, cloudy, or missing.

Will this lens cover fit my BMW model?

Check the OE numbers and model years to confirm compatibility: this cover corresponds to several original equipment (OE) numbers and fits select BMW 3/4‑door variants from 2002–2005. Installation aligns with the factory attachment points so no major modifications are required on compatible vehicles.

• OE numbers: 63126924045, 63127165771, 63127165785 (left side)
• OE numbers: 63126924046, 63127165772, 63127165786 (right side)
• Fitment: BMW 325Ci, 325i, 325xi (2002–2005); 3SXL, 30i, 330xi variants where specified
• Compare part numbers and vehicle year before purchase

How does the material affect performance and longevity?

The lens cover is crafted from polycarbonate, a lightweight, impact‑resistant plastic commonly used for headlamp optics. Its formulation helps reduce yellowing and hazing versus lower‑grade plastics, maintaining clearer light output and a newer appearance for longer.

• Polycarbonate resists stone chips and minor impacts
• Clear finish preserves beam brightness and road visibility
• UV‑stabilized to slow discoloration and clouding
• Easy to clean and compatible with standard headlight care products

What protection and functional benefits will I regain?

Replacing a cracked or missing headlight cover prevents moisture and contaminants from entering the headlight housing, which can otherwise damage reflectors and bulbs. The clear shell keeps the factory optics operating as intended while shielding the assembly from environmental wear.

• Blocks water, dust, and grit from reaching internal components
• Reduces risk of lens‑fogging and electrical corrosion inside the headlamp
• Maintains proper beam pattern since the cover is transparent
• Serves as a cost‑effective alternative to complete headlamp replacement

How difficult is installation and what should I prepare?

Installation is intended to be a direct replacement that uses the original mounting points; basic hand tools and moderate mechanical experience are typically sufficient. Remove the damaged cover, clean the headlamp housing surface, and secure the new polycarbonate cover following factory torque specs or OEM instructions.

• Tools: screwdriver set, trim tools, torque wrench recommended
• Prep: clean housing and inspect seals for damage
• Time: expect about 30–90 minutes per side depending on experience
• Follow OEM mounting pattern and fastener locations for best fit

Who is this for? This X AUTOHAUX front headlight lens cover is aimed at BMW owners and mechanics seeking an affordable, OE‑numbered replacement for cracked, faded, or missing headlight covers on compatible 2002–2005 3‑series and related 4‑door models. It suits DIY installers and professional shops who want a clear, durable polycarbonate shell that preserves factory light output while restoring protection to the headlamp assembly.