After the six blowouts at Silverstone last weekend and the threat of a boycott by the Grand Prix Drivers Association should similar happen again , Formula One 's official tire supplier Pirelli modified its rear tires with a Kevlar strip to help prevent punctures . Sebastian Vettel wins German Grand Prix for first time . The four-time world champion took the lead from his teammate Lewis Hamilton in a thrilling race that saw him win by more than two seconds over Ferrari's Fernando Alonso. Red Bull 's Vettel now 34 points clear in title race .
Sebastian Vettel wins German Grand Prix for first time . The four-time world champion took the lead from his teammate Lewis Hamilton in a thrilling race that saw him win by more than two seconds over Ferrari's Fernando Alonso. Red Bull 's Vettel now 34 points clear in title race .