I have a 2005 545i standard package. I am looking for tires and want to get the michelin pilot sport a/s tire. Can any one tell me if this is an approved tire for my car and any comment on this tire. Please help.

 

Not sure what you mean by "approved". You can put any tire on your car that you damn well please. I'd go to the Tire Rack site, find the tires that fit your car, and read what others have to say about them. The site also ranks the various tire brands for the way you drive.