BMW E9X M3 GIAC Performance ECU Software Upgrade

GIAC software helps you extract the maximum potential from your E9X M3. Power gains were measured at: - 24 wheel horsepower and 7 wheel torque on 91 octane (with air filter upgrade) - 34 wheel horsepower and 16 wheel torque on 91 octane (with air filter and x-pipe) - Estimated crankshaft power output of 443 brake horsepower and 303 brake torque on 91 octane (with air filter upgrade) - Estimated crankshaft power output of 455 brake horsepower and 314 brake torque on 91 octane (with air filter and x-pipe) *Additional performance gains will be seen with higher octane fuel Performance specs: - Quarter mile in 11.885@118.769 miles per hour (N/A world record) - 60-130 miles per hour in 10.710 seconds Required hardware: - Intake (recommended) - X-pipe (recommended) This software upgrade is available in a street version, or a track-only version for racing vehicles with catless exhaust.