The factory tune for the S62 was fairly tame and BMW never tuned the M5 to it's potential, our countless ours on the dyno have perfect the cam, timing, and fueling targets for the most effecient operation of that engine, while retaining all safety and emissions complaince.
40 to 60 hp can be realized with our peformance tune, depending on Mods, in addition to various options :
-Cold start delete
-Alpha N
-Post cat O2 delete
-Speed limiter delete
-Increased rev limiter
-Performance tune
-Burbles
-Live dyno tuning
