[rangertrace]

Originally Posted by X4guy

i would be surprised if you have subs on standard speakers. Most guys here have HIFI or Harman Kardon. see this ---> http://x3.xbimmers.com/forums/showthread.php?t=1050967

please send us photos if you have this, its informative for all.

double check your car spec here, maybe you have HIFI--->> http://www.bmwarchiv.de/vin/bmw-vin-decoder.html

I will check that out when I get home. I can tell you for certain there are rectangular grills under each front seat that appear to be speaker covers/grills. I wouldn't think they would bother putting those in unless they were actually protecting a speaker.