2013 BMW S1000RR HP4 Review - Video | Motorcycle.com
2014 BMW HP4 – Iconic Motorbike Auctions
2017 BMW HP4 Race Review | Cycle World
BMW Introduces HP4 Version Of S1000RR Complete With Dynamic Damping Control Suspension - Roadracing World Magazine | Motorcycle Riding, Racing & Tech News
Carbon Fiber BMW HP4 Race Debuts in China - Asphalt & Rubber