Incredibly useful information, thank you! I think I'll call my CA I bought the car from tomorrow and take it from there. Then I'll feel my local dealership out.
We'll see if it's even worth the hassle!
2008 E92 335i - retired
2010 B8 S4 -retired
2012 F12 650i X drive-retired
2014 B8.5 S4 - retired
2014 F10 - 550i X drive M-Sport- retired
2014 F01- 750i X-drive M-Sport