Just seen the first acceleration video of the M550dx from F10 post and wow! Sounds ace, goes like hell and revs to over 5500rpm! So where is the rev limiter? On our mere mortal N57's, the limiter is situated at 5000rpm.
2006 BMW E60 520d SE 6MT
2009 BMW E90-LCI 330d SE 6MT
Current: 2012 F30 328i Luxury 8AT
2015 Audi A6 Avant Ultra, Black Edition (sorry!)