New Delhi, July 15 -- BMW has previewed a track-focused upgrade for the upcoming 2026 M2 CS, revealing a test mule wrapped in camouflage and finished in a vibrant Sao Paulo Yellow. The prototype hints at serious performance intent, featuring standout elements like a large rear wing mounted on swan-neck struts and an aggressive front splitter. Though official specs remain under wraps, the visual clues suggest the use of high-grip Pirelli P Zero Trofeo RS tyres, lightweight dual-tone wheels similar to those found on the M2 CS, and distinctive quad exhaust outlets with Akrapovic-like styling. Chassis, suspension, and braking enhancements also appear likely. Despite its motorsport-inspired design, BMW confirms the entire package will remain r...