Genuine BMW Motorsport oil filler cap.
Direct replacement for all S50, S52 & S54 engines.
Fits perfectly on M42, M44, M10, M20, S14, M50, M52, M52tu, and M54 engines for a subtle enhancement under the hood.
BMW Part Number: 11121405452 (11 12 1 405 452) 11-12-1-405-452