The most important BMW motorcycle of all time? Well, if we perhaps put aside racing – where the Rennsport engine powered every sidecar champion save one from 1954 until 1974, and the Kompressor which scored its famous 1939 Senior TT win among other successes – then, really, it has to be the 1970-introduced /5 series, which, although developed along the way, was basically the same machine on which all BMW boxers were based until 1996.
Granted, it grew in size, power and sophistication, but, ostensibly, it remained throughout, going on to spawn such legendary models as the R90S, R100RS and the R80RT, beloved of police forces. It wasn’t BMW’s first ‘Boxer’ by any means, but it was the most important.
The /5 Series (Type 246 in BMW official speak) was…