Overview

• Ross Brawn, former F1 managing director, relives his team's 2009 title success in a new docu-series 'Brawn: The Impossible Formula 1 Story' hosted by Keanu Reeves, due for release in Britain on Wednesday.
• Brawn GP and Jenson Button won six of the first seven races and both championships in 2009, despite a season of drama that threatened the team's survival.
• Brawn, who acquired the team from Honda for a pound, had no engine to power the car until Mercedes came to the rescue.
• Despite a bare budget and scarcely enough spares, Brawn GP wrote one of sport's great stories of triumph in adversity.
• Brawn is tipping a resurgent McLaren to take the fight to dominant Red Bull and triple world champion Max Verstappen next season.