HP-PHWOAR…
Aug 18, 2018
3 minutes
WORDS: JON URRY
MAGES: FB ARCHIVE
The BMW HP4, or High Performance inline four to give it its full name, was a remarkable bike in so many ways. Taking the updated S1000RR as a base – which was already light years ahead of the inline four competition thanks to its staggering motor and chassis that was all backed up by a revolutionary electronics package – BMW then went and upped the ante a massive leap with the HP4…
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