This Bell XFM1 light weight helmet has been used extensively by Ayrton Senna during the 1988 F1 season. The 1988 season has been Senna’s first Championship season in the McLaren MP4-4 Honda.
1988 has been an exceptional season for Senna, he won the following Grand Prix:
San Marino Grand Prix
Canadian Grand Prix
Detroit Grand Prix
British Grand Prix
German Grand Prix
Hungarian Grand Prix
Belgium Grand Prix
Japanese Grand Prix
The World Championship for Drivers was won by Ayrton Senna, and the World Championship for Constructors by McLaren-Honda. Senna and McLaren teammate Alain Prost won fifteen of the sixteen races between them; the only race neither driver won was the Italian Grand Prix, where Ferrari's Gerhard Berger took an emotional victory four weeks after the death of team founder Enzo Ferrari.
This exceptional helmet shows heavy signs of use. The radio has been removed, it displays its drinking tube whole. The inside strap carries the following mention”88LW5” for year 1988, Light weight, helmet # 5. It has been offered by Ayrton Senna to his physiotherapist Jo Leberer in 1989. When given to Jo, Ayrton has signed, dated and added a mention to his very close friend.