Sam Lowes inherits victory after Kenan Sofuoglu is dropped from first to fifth for an unexplained confrontation involving Fabien Foret during the race.
Marco Melandri notches up his and BMW's second World Superbike win of the season after passing Jonathan Rea on the final lap; Race one winner Checa crashes from the lead.
Marco Andretti blitzed the field on Fast Friday, hitting 227.540mph on with the assistance of the additional turboboost that all the drivers got to use for the first time.
Jonathan Rea wins at Donington Park, but is involved in a clash with Leon Haslam and Marco Melandri at the final corner that eliminates both BMW riders.