Originally Posted by singularity
For me it's a major flaw when driving on uneven roads, it is a big comfort issue. Releasing an already developed, stiffer new coil 1 year after the car is produced is in no way a prompt a response or a customer care. Everyone is different, but if I knew that I would have to drive 1 year with bung/dongs all day long on these roads I would have thought twice before buying this car. Myself and my car contributed much knowledge by frequent, heavy test drives on bad roads and disassembling most of components inside and outside the rear of the car, all to finding where this sound was coming from and communicating with BMW over telephone, emails and dealership.
I can't believe how much you have uncovered for them over this short period of time. BMW M ought to pay you an allowance for road testing their M5