Active Autowerke offers unparalleled performance software. Through careful remapping of the factory BMW DME tables, various elements such as ignition timing, fuel delivery, and part throttles are reworked to create performance gains. The Active Autowerke upgraded software is designed to operate with gasoline that has an average octane rating with full emissions to create a clean burning combustion with good AFR's all within factory specifications.Features: Up to 150whp Horspower gains throughout RPM range Higher torque over factory settings through RPM range Recallibrated settings for a smoother and more responsive part throttle transition Recallibrated settings for a smoother and more responsive power delivery Modified Vanos camshaft remapping Available "Burble" Maps Free tech support and assistance Multiple maps available for flashing at home (after initial reflash) Available Options: Cold start delete Stage 1 or Stage 2 maps for 91-93 octane Off Road Only Downpipe Map Burble Option Tuner flag removal OBD Flashing Option Performance Specs: Up to 120hp gains: Rear wheel HP measured on the dyno Up to 120 Ft / LBs gains: Rear wheel FT/LBs measured on the dyno Software Purchase Options: Locate an Active Autowerke approved F8X Software Dealer and have it installed there Remove and mail Active Autowerke your ECU and we will install the software. Same day turnaround on all software with free 2nd day air to lower 48 states. See Tech Support for details on removal and mailing of ECU. Proposition 65 WARNING: Cancer and Reproductive Harm https://www.P65Warnings.ca.gov