A buddy of mine just bought his first BMW, a really nice new 328......... But....... the speedometer is off 7 MPH, slow. He discovered this after getting passed consistently, then turned on his GPS and the speed was different. The dealer says that it is an acceptable variance of 10% and he will have to live with it. Well, it' ticks me off just hearing about it, now BMW has put a bad taste in his mouth and I don't say that I blame him. Any imput would be appreciated in order that I may relay any helpful info to him, however, I will be out place for a week or so, will check back in then.