BMW (03-07) Drive Belt for A/C ac Compressor OEM e39 e46 e53 e83 e85 Belt A/C Compressor 4K X 863 BMW part# 11 28 7 512 762, note the mid-year splits. Recently made by CONTITECH (OEM), not been lying around. PLEASE NOTE the MID-Year splits on PRODUCTION DATE. See Fitment Chart BELOW, under 'Product Description'. Email us your VIN.