i think your father just joined the forums in disguise as mgasaad. or i could be wrong.
go with the M5 bro, theres no way you can regret it. just beg and plead to your father. tell him the 7er is too much of an old mans car, and the M3 just seems to immature for a man like him. (i dont back up these claims, but they are nice when used to convince people into buying stuff lol). tell him that the M5 fits him nicely because it is practically tailored to his persona.
"AMG What! S-Line Who? If you ain't got that M I got no respect for you!"
'06 Alpine Weiss E90 320i | '06 The Green Machine E90 325xi | '11 Alpine Weiss E90 M3 ZCP | '10 Silverstone X5M | '11 Alpine Weiss E90 335xi