Wonder how far into triple digits the 1M can really go before running out of steam? According Stephen Dobie from EVO, the magic number is 170 mph. There ‘s no mention of the speed limiter being removed so it would seem that it ‘s a combination of the speedometer being overly ambitious and/or BMW is being more generous with its 155 mph self-imposed limit.

You can read more about Stephen ‘s Autobahn exploits at EVO.