E36/E46 Non-M Rear Brembo BracketsDescription These rear brackets will fit both E36 and E46 non M cars. They are to be paired with either E46 M3 rear rotors or E38 750i rear rotors. The E38 750i rear rotors are the same 328x20mm size and offset as the E46 M3 rear rotors. but have a smaller diameter parking brake. **The E46 330 uses a larger parking brake like the E46 M3, so use E46 M3 rear rotors on the 330i and 330Ci. Calipers used for this conversion are Rear Calipers from the 1999