auto Bull chief wants their supplier to try to improve their reliability . chassis ##ota 's Daniil Kvyat retired at Australian hatch Prix with gearbox failure . Toro Rosso are also sponsored by Renault and saw Max Verstappen retire .
Red Bull chief wants engine supplier to Renault to improve their reliability . Red Bull's Daniil Kvyat retired at Australian Grand Prix with gearbox failure . Toro Rosso are also powered by Renault and saw Max Verstappen retire .