Yeah i've used the Hamann stuff before (had a full tweaked and bodystyled Z4.

Yeah i read they had a tweaked management system from the outset. But how do you only get 289 bhp from a 4.4 v8?! Audi get 414bhp in the RS4 and its a 4.2!

Last edited by olleyjp; 17/08/09 09:42 AM.