The 1982 Brazilian Grand Prix was a Formula One motor race held at Jacarepaguá on 21 March 1982.

Piquet, after having finished first in the race and then barely making it to the podium ceremony, fainted due to exhaustion only to be disqualified later.

The problem was with a 7 US gallons (26 L) "ballast water tank", ostensibly used to cool the brakes.

This would gradually empty during the race and then be replenished at the end so as to pass post-race scrutineering.

The FIA Appeals Tribunal upheld the disqualification seven weeks later and these tanks were permanently banned.