Starting from:

$125

E39 M5 MSS52 Stage 1

Package includes simple stage 1 with crackles and pops on decel, and a stage 1 with maf delete, ews delete (immo off), cat delete, sai delete vmax off (speed limiter removed). Also, included is a XDF mappack to be used for tunerpro so the enduser can make changes themselfs too.