OKAY MOTOR Rear Headlight Level Sensor for BMW E39 E46 E53 E60 E61 E83 Z4 X3 Mini Rear Suspension Xenon Light Level Sensor for E39 E46 E53 E60 E61 E83 Z4 Part #: 37140141445, 37141093698, 37141093700, 37146778812, 37146784697 Aftermarket Replacement Unit. 180-days manufacturer type warranty Application Guide: E39 E46 E53 E60 E61 E83 Z4