Does anyone know if 04' M5 exhaust would fit on 04' 530I, and also for 530I 04'... approx. how much for a new or used navi. thinking to get one... prefer used. also i just got my 530I today for 18000 miles on it, and the service is due at 08 march, and should I get extended service warranty til 2010, which i have to pay extra 2300, mine is CPO. so i get 6 years which up to 2010, and mile is good til 100000, but the externed warranty only cover me up to 2010. so just 2 and half year more for that. please help me out.

thanks

Does anyone know if 04' M5 exhaust would fit on 04' 530I, thanks
Creative question
IIRC the M5 does not have an I-6 engine. I'm certain that could be verified on the M5 board.