June 1 & 2, 2019 is the 27th Yokohama/Tire Rack/Windy City BMW Challenge. This two day autocross event is for charity. FUN and Charity. All entry fees goes to Charity. Saturday is the play day, Saturday night is the dinner and Sunday is the competition. Don’t miss this one. Sign up Now. First deadline for the event t-shirt is May 10 and final deadline is 5/24 unless it fills before that date.