272 KPH or 170 MPH speedometer indicated in a Sixt rental M3 on the A1 by the 'Ring. Car was riding up against the limiter which felt weird going downhill.
Probably a real 155 MPH as I doubt the limiter had been removed.
2010 BMW M3 Coupe M-DCT w/Tech-EDC, BMW M Performance Exhaust, BPM: Stage I / Euro MDM / DCT / Steering, Space Gray / Fox Red Extended, and a Trunk Monkey known as "Der Stig", plus the daily driver...
2011 BMW 135i M Sport DCT, w/BMW Performance Power Kit, Exhaust, and Brake Rotors, Space Gray / Coral Red, known as "Stiggie" with an outlaw F20 "M135i" badge.