This genuine BMW filler cap, part number 16117468994, is specifically designed for BMW X3 (F25) and X4 (F26) models manufactured up to June 2015. The cap plays a crucial role in sealing the fuel system securely, preventing fuel vapor leakage. This helps maintain optimal fuel efficiency and reduces harmful emissions, contributing to your vehicle’s environmental performance.
To ensure proper fitment, compare the part number 16117468994 with your vehicle identification number (VIN) or consult your vehicle’s owner manual. Incorrect fitment may compromise fuel system performance. It is recommended to seek professional installation if you are uncertain.
Replacing a faulty or missing filler cap is essential for sustaining your vehicle’s fuel system integrity and overall driving performance.