Found out the rev-limiter is at 5400rpm, despite seeing the needle hit 5600 in a 1st gear "manual" launch. Must have been the inertia.
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!)