SCCA® Solo classing — unofficial guide
What autocross class is a BMW 335i & 335is (E9x)?
FSStreetBSTStreet Touring
A stock 2007–2013 BMW 335i & 335is (E9x) runs in FS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within BST tire and wheel limits), it runs BST.
From the 2026 rulebook (Appendix A)
Street: '335i & 335is (E9X chassis; 6-cyl Turbo) (2007-13)' = FS. ST: '3 Series Turbo (Non-M) (2007-26)' = BST.
Unofficial guidance verified against the 2026 SCCA® Solo® Rules — always confirm against the current rulebook before competing. Classing data cites the exact Appendix A wording it relies on.