Rail.
Sheet metal structure used along the sides of the vehicle floor. Floor Side. Inner. Reinforcement. Section. SIDE Member Extension. Side mount Bracket. Side panel. SideMember. Sill. Included with: Floor pan assembly, Part is included with floor pan assembly.
Floor Side Rail
Fits 640i, 640i Gran Coupe, 640i xDrive, 640i xDrive Gran Coupe, 650i, 650i Gran Coupe, 650i xDrive, 650i xDrive Gran Coupe, M6, M6 Gran Coupe
CONVERTIBLE. COUPE. GRAN COUPE.