This blue anodized aluminum cover fits over your original engine coolant reservoir filler cap on G87 M2, G80 M3, G82/G83 M4, F97 X3M, and F98 X4M models. Installation is fast and easy. The machined 6061-T6 aluminum cover simply presses over the top of the stock cap, locking firmly in place. No adhesive is required.
Compatible with BMW engine coolant reservoir cap part numbers 17117639021 (17-11-7-639-021) and 17137516004 (17-13-7-516-004).
Additional colors available. Please see below for BimmerWorld recommended related items.
Video: Upgrade the Aesthetics of your BMW Engine Bay!
