United Bimmer Community - BMW Forum - View Single Post

**Dan** · 08-08-2007, 07:59 PM

just a FYI,

the holes under the rear deck is 80.5mm; i measured it with a dial caliper just now and if you want to use that to port any sound, make sure it's 80mm or less.. but not much. you got 2 of them anyways.

08-08-2007, 07:59 PM	#17
Dan Name: Dan Title: Visiting Mod Status: Offline Join Date: Jul 2007 User not setup in Rate My Car. Click here to set it up. Your Ride: 540	just a FYI, the holes under the rear deck is 80.5mm; i measured it with a dial caliper just now and if you want to use that to port any sound, make sure it's 80mm or less.. but not much. you got 2 of them anyways. __________________ 540i/6