BMW B58 High Performance Software Tuning G-chassis M340i M440i M240i 540i 640i 740i X3M40i E70 year-1997-make-bmw-model-740i

year-1997-make-bmw-model-740i

These tips provide all the visual aggressiveness of our Active Autowerke G8X Rear Exhaust so that you can upgrade at your leisure

Active Autowerke has carefully gone through the painstaking process of remapping the E36 328i DME to pull additional performance out of the M52 power unit

In addition

BMW B58 High Performance Software Tuning G-chassis M340i M440i M240i 540i 640i 740i X3M40i E70 year-1997-make-bmw-model-740iNOTE: FOR ALL BMW CARS MANUFACTURED ON OR AFTER 6 2020, THE ECU IS LOCKED AND CURRENTLY CAN ONLY BE UNLOCKED BY SENDING TO FEMTO DIRECTLY. ONCE THE ECU IS UNLOCKED, WE CAN TUNE AS NORMAL. ***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 info@activeautowerke. com and you can fax it to us at (305) 253 8921***