Can someone tell me, please, what size are the main speakers in a 1997 Z3? I tried to find out by going to the Crutchfield and Circuit City websites. Circuit City says that both 5 1/4 and 6 1/2 will fit, while Crutchfield mentions only 5 1/4. I have come across that problem with other cars too, and in many cases either size will fit or can be made to fit. I would rather not take the kick panels apart just to look, if I don't have to. Juris Bergs