Mexican Grand Prix, (qualifying), Autódromo Hermanos Rodríguez, 10-11 October 1986. Quickest on Friday, Gerhard Berger (Benetton-BMW-B186) had his hopes of claiming pole dashed by a turbo problem, then oil on the track and slower traffic. Berger qualifying 4th, top Pirelli runner. 6/10 #F1