Tuning and hardware for the S63-powered BMW M5 (F10). Custom Stage 1 & 2 ECU calibrations unlock what the 4.4L twin-turbo V8 left on the table, and our 200-cell catted downpipes free up flow while keeping emissions equipment in place.
Every tune is dyno-proven, built to your fuel and hardware, and includes lifetime revisions. Get in touch to plan your M5 build.