Originally Posted by VP Electricity
Just out of curiousity, have you tried flipping polarity to the underseats?
No... but you have an interesting idea. If flipping the polarity -in my case, wiring my woofers incorrectly- fixes this issue then this is a MS-8 software bug
-2015 F30 320i, Imperial/Oyster, 8AT: August 2014 ED
-2012 E92 M3 Jerez Black/Rust Brown, M-DCT: 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