URO 54121906999 Sunroof Seal - Rear

BMW Rear Sunroof Seal

This URO sunroof seal is a direct-fit replacement for select BMW models, including the 320i, 325i, 325is, 325iX, 325e, 325es, 318i, 318is, and M3. Built for the rear sunroof opening, part number 54121906999 helps restore a tight seal against water, dust, and wind intrusion.

• Guaranteed fitment for listed BMW applications
• EPDM rubber construction resists water, airborne debris, heat, and UV exposure
• OE-style seal profile helps reduce squeaks and wind noise
• Smooth surface helps prevent sticking between the sunroof and body
• Rear sunroof seal for BMW 320i, 325i, 325is, 325iX, 325e, 325es, 318i, 318is, and M3 applications
• Part number 54121906999 for direct replacement matching

Detailed Fitment and Function

Use this rear sunroof seal when replacing a worn, hardened, or leaking seal on compatible BMW coupe and sedan applications. The long-life EPDM rubber profile is shaped to follow the sunroof opening closely, helping maintain a consistent barrier and a clean OE-style appearance. This part number 54121906999 also cross-references Genuine 54121906999 for the same application.

Common Problems This Seal Can Address

• Water entering through the rear sunroof opening
• Wind noise around the sunroof at speed
• Squeaks caused by a dry or deteriorated seal
• Debris intrusion around the sunroof perimeter
• Seal sticking or binding against the body surface

Installation Notes and Tips

Inspect the sunroof frame and surrounding channel before installation. Remove old adhesive residue, dirt, and hardened seal material so the new seal can seat evenly. Confirm the rear position and match the seal profile to the opening before final placement. For fitment verification, part number 54121906999 is listed for 1977-1991 BMW 320i, 1984-1987 BMW 325e, 1986-1987 BMW 325es, 1984-1985 BMW 318i, 1987-1991 BMW 325i, 1987-1991 BMW 325is, 1988-1991 BMW 325iX, 1988-1991 BMW M3, and 1991 BMW 318i and 318is, rear.

Quality Assurance

URO backs this sunroof seal with a 24 Month Unlimited Mileage Warranty. The EPDM material is selected for durability in heat and UV exposure, while the OE-style profile supports a precise seal on the listed BMW rear sunroof applications.