Originally Posted by morris
M50, M52 and M54 will all be the same 30 degree angle. I would have thought the mounting holes were the same too. I know Mike's Cabrio off side mount arm is different to mine and uses the set of bolt holes further forward on the M50 block but that's more to do with the kit than the engine
I thought the mounting holes would be the same as well but the alloy block seems to have a lot more holes to choose from? I'll grab some shots later to put up here.
Perhaps BMW just added a few extra for various car options later??