Spec E9X Series Tune – Epic Performance Software (N52) Discount
$209.70The Spec E9x series tune for the N52B30 engine. The Spec E9X Tune by Epic Motorsports includes specific software calibration. The Spec e9x software optimizes engine output when running the required 330i intake, spec headers and 3 exhaust mods. The ignition, camshaft, and VANOS values have been optimized, as well as fuel maps, to match the more aggressive timing and remove…