BMW S55 Doc Vu Tuning - M2 CS, M3, M4

Designed for S55-powered BMWs (BMW F8X M3/M4, M2 Competition), Doc Vu’s custom tune is engineered to unlock the full potential of your engine while maintaining real-world drivability and engine longevity. Why Doc Vu Stands Out for S55 Tuning Safe & Efficient PerformanceAccording to listings, Doc Vu offers “custom tunes… safe and efficient” for S55 setups, blending daily usability with track-ready performance. Multiple Platform SupportS55 is one of the engines Doc Vu tunes, alongside N54, N55, B58, and more. Tune delivery is compatible with MHD, Bootmod3, and other flash platforms. Live Log Revision SupportDoc Vu’s live-tuning methodology includes iterative feedback loops using datalogs to refine boost, timing, and fueling—common practice across all platforms he supports. Performance Expectations Power GainsWhile public dyno data specific to S55 tunes by Doc Vu are limited, enhanced spool, cleaner torque delivery, and high-end track integrity are consistently mentioned in