what's Canbus hid: 1) We suggest to use 12v 35w super slim Canbus for these cars; BMW E90,91,92,93, Passat, Mercedes S,CL,CLS,SL class. (2) We suggest to use 12v 55w super slim Canbus for these cars: VOLKSWAGEN Golf 6,7, AUDI A3,A8, Ford, Dodge, Volvo. Our Canbus mainly solve the faults as following; (1) Wiper motor burn (2) ECU canbus error messages (3) burn or light flickering ..........com