You can get a chip from Dinan that will remove the limit and enhance your performance in other ways as well. www.dinancars.com/
Originally Posted by RONAN
I have a 645CI (stratus grey,six speed, all options), and much to my surprise hit the limiter at 220 Km/h (that's about 137 mph). I think the US cars are limited at 155 MPH. Does anyone know and can I get it reset at a dealer in the US?
2011 M3 vert Space Grey/Black DCT, 19s, PP, TP, CWP, PDC (May 2010 ED trip cancelled due to volcanic ash)
2005 645Cic Atlantic Blue/Black, Ruthenium, SMG, SP, CWP, Sat. Prep. (ED 1/05, sold 6/10)
2004 545i TiAg/Black/Anthracite, Step, SP (ED 11/03, sold 4/05)
2001 330Cic Steel Blue/Black, retired
1998 Z3 2.8 Montreal Blue/Black, retired