BMW B58 High Performance Software Tuning G-chassis M340i M440i M240i 540i 640i 740i X3M40i

NOTE: 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*** 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