BMW S62/S65/S85 M Tunes

BMW M staged naturally aspirated calibrations for the S62/MSS52, S65/MSS60, and S85/MSS65 platforms.

Choose the vehicle and ECU carefully. Naturally aspirated stages describe calibration level; factory-turbo map-pack stages must match the stated hardware and fuel requirements. One-off, revision-based work belongs with UNDSPTD. bespoke tuning.