Bimmerstore xHP Flashtool at BimmerStore — Unlock the full potential of your BMW or MINI What is xHP? xHP Flashtool is software that optimizes the ZF 6- and 8-speed automatic in your BMW or MINI. Factory settings often focus on emissions and comfort; xHP delivers faster shift times, bette... Automatic transmission tuning BMW MINI transmission tuning advice BMW Tuning MINI Tuning ZF 6HP ZF 8HP xHP Aug 15, 2025 BMW & MINI Tuning