SCCA® Solo classing — unofficial guide
What autocross class is a BMW M2 Competition?
BSStreetSSTStreet Touring
A stock 2019–2021 BMW M2 Competition runs in BS (Street) under the 2026 SCCA Solo Rules. Built to Street Touring allowances (within SST tire and wheel limits), it runs SST.
From the 2026 rulebook (Appendix A)
Street: 'M2 Competition (2019-21)' = BS; M2 CS = AS. ST: 'M2 Competition (2019-21)' = SST.
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.