BMW e46 e85 Belt A/C Compressor 5K X 829 OEM Contitech ships fast Belt for A/C Compressor 5K X 829 BMW part# 11 28 7 830 946, fits: e36.7: (2001-2002): Z3 Mcoupe/Mroadster (s54 only) e46: (2001-2006): M3 coupe / conv e85: (2006-2007): Z4 MRoadster/MCoupe (S54 only)