First impressions of the BMW S1000RR HP4

I’ve just finished my second riding session on the new HP4 at the Jerez circuit in southern Spain. As well as having lighter wheels, a titanium Akrapovic exhaust and improved electronic rider aids, it’s the first production bike to have electronically-adjustable rebound and compression damping (Dynamic Damping Adjustment). You still need to manually adjust the suspension, albeit via the dash ...

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