Hamann is the worst BMW tuner imo - just pure ugly to me. Them and AC Schnitzer, their style was cool ten years ago.
Like someone mentioned in another post about how ACS makes your M5 look like a 550, Hamann has taken it a step further and made your F10 look like an F30.
Retired - 2009 C63 l 2007 Supercharged RRS l 2002 e46 SMG ///M3 l 2001 e46 330ci
Alpine White/Sakhir Orange F10 M5 - 20" Modulare Matte Titanium Brushed B18s