The Germans at Hartge released an engine conversion kit yesterday for the BMW M5 F10. The conversion increases the maximum power output by almost 15% from 560hp to 642hp. Furthermore they have upped the maximum torque from 680Nm to 810Nm.
Finally acceleration from 0-250km/h is improved by 2.12 seconds and top speed by 6km/h.
Hartge BMW M5 F10 with engine conversion
top speed by 6km/h is too little.