In this particular
situation, a LOC is a must.
Originally Posted by alexwhittemore
Eh, even so, with the sensitivity cranked all the way down, the speaker volume will be unbearably loud before you hit a level potentially damaging to the amp. The only real reason to use a level shifter is to recover some of the volume control resolution on the head unit, but I find there to be plenty of notches to play with as is.
-2015 F30 320i, Imperial/Oyster, 8AT, ED
-2012 E92 M3 Jerez Black/Rust Brown, M-DCT, ED: Gone
-2008 E90 M3 Melbourne Red/Bamboo, 6MT: Gone
-2007 MK5 GTI United Grey/Grey, DSG: Gone
-2004 E46 M3 Carbon Black/Cinnamon, 6MT: Gone