Splash Guard: Service and Repair
51 47 490 Removing And Installing/Replacing Underbody Protection, Front (Engine) (M Roadster, M Coupe)
Unfasten screws (1..2) and remove underbody protection (3).
Installation:
First tighten screws (1) (danger of damage).
Center underbody protection (3) and tighten screws (2).
Only replace:
Unfasten screws (1) and lift off air guide (2).