Active Autowerke BMW B58 High Performance Software Tuning G-Chassis (M340i, M440i, M240i, 540i, 640i, 740i, X3 M40I)

Please NOTE that BMW dealers now have the technology to flag your vehicle as having the DME modified even if the flash has been removed and replaced with the stock tune and this may impact your cars warranty. You accept full responsibility for the purchase and use of this aftermarket tune for your vehicle.

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 AFRs 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! We have an option to include the Femto end user program and cable to enable you to do the software flash. 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. If your car has updated software after November 2019, you must not purchase the Femto option and must send the ECU to us for flashing.

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)