Very nice compilation, thanks for taking the time to do that.
As I scrolled through the one that caught my eye most was the quad exhaust (5th from top), very awesome looking which causes me to eat my words that the current trapezoid exhaust on the 550i is perfect, maybe the round quads are better, hmmm ...
2011 550i M-sport:Mods:
Hartge ECU (490hp/497ps@5500rp 531ft-lb/720Nm@2000rpm), ACSchnitzer suspension, ACSchnitzer sport exhaust, Msport Spoiler, Shadowline Grille, Color matched front reflectors, dvdinmotion. MyBavarianBeast: http://f10.5post.com/forums/showthread.php?t=530637
2014 F82 M4