SMMS Radiator Cooling Fan Clutch 11527505302, Compatible with 1993-2005 BMW Z3 E36 E46 E53 E34 E39 Series M50 M52 M54 M3 528i 525i 530i X5 328i 325i 323i 330i, Replace #11527505302 2691. It serves as a vital component of the vehicle’s cooling system.