Thread: E39 Faq....
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Unread 08-08-2007, 07:59 PM   #17

Name: Dan
Title: Visiting Mod
Status: Offline
Join Date: Jul 2007
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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.
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