View Single Post
Old 01-27-2019, 11:36 PM
tmaxx445 tmaxx445 is offline
Join Date: Sep 2014
Location: Greensboro, NC
Posts: 27
tmaxx445 is on a distinguished road
Originally Posted by wpoll View Post
Yep - exactly what I said (about line level outputs)

I'm going to need to study the wiring diagrams a little closely - this still makes no sense. In a NAV setup, the trunk mounted BM54 radio/amp is just that - a radio/amp. There is no second amp. So when you say "factory radio" what are referring to?
There is still a separate amplifier on all our cars here. The BM54 just functions as a radio tuner and "audio gateway of sorts"
2001 740i / Titanium Silver / Grey Montana Leather / S62 Swap / 6 Speed Manual Swap
2003 4.6is X5 / Titanium Sliver / Black Napa Leather / RWD 6 Speed Manual Conversion Coming Soon
2005 M3 Coupe
/ Silver Grey / Black Napa Leather / 6 Speed Manual
Reply With Quote

Sponsored Links