BMW B58 High Performance Software Tuning G-chassis M340i 540i 640i 740i X3M40i


***Before your order ships you MUST sign and return the Off Road Use Only Waiver available HERE. Please email, fax or take a photo of the completed form. You can email it to your sales rep or to and you can fax it to us at (305) 253-8921***

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. 

NOTE: Dyno chart for M340 shows stock with AA B58 Catted Downpipe.

Active Autowerke's B58 Performance Software bundle includes stage 1, stage 2 and stage 2 without cat tunes with an option to add the necessary PC Program and cable for you to flash your B58 powered vehicle! WARNING - when flashing your ECU, it is important that you connect a battery charger to your car in order to provide a stable voltage source regardless of your battery condition and you must remove any sleep options on your laptop.

Key Features: 
Up to 80whp Horspower gains throughout RPM range (vs stock, 58 vs stock tune w AA catted downpipe)
Up to 100 Ft/lbs torque gain
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 (add Femto software and cable)
Performance Specs:
Up to 80 hp gains   :   Rear wheel HP measured on the dyno
Up to 100 Ft / LBs gains  :   Rear wheel FT/LBs measured on the dyno