Fit for N55 S55 N54 N52 Engine. Compatible Devices BMW 128i, 135i, 328i, 528i, M2, M3, M4. For BMW 128i, 135i ， 328i, 528i,M2, M3, M4. Belt Style serpentine. The item must be UNOPENED, UNUSED, and UNINSTALLED.
Fit for N55 S55 N54 N52 Engine. For BMW 128i, 135i，328i, 528i,M2, M3, M4. Surface anodizing and corrosion resistance. Full Cut Billet Aluminum alloy.
535i 135i N54 N55 N52. Fit for N55 S55 N54 N52 Engine. For BMW 128i, 135i，328i, 528i,M2, M3, M4. Crank Seal Guard Serpentine Belt Guards for BMW 335i.
Fit for N55 S55 N54 N52 Engine. For BMW 128i, 135i，328i, 528i,M2, M3, M4.