BMW B58 High Performance Software Tuning G-chassis M340i M440i M240i 540i 640i 740i X3M40i E70 INSTALLATION NOTE: If you are

INSTALLATION NOTE: If you are using this rear exhaust with an Active Autowerke resonated midpipe

Key Features:-Improved Gas Mileage-Special tuning for Sport Cams (MS45)-Sportier throttle response- Available for 91-93 octane-Smoother pulls through RPM band-Increase RPM Limiter for Manual Cars-15 HP gain & 12 ft lbs of torque

In addition

accurate software tuning becomes more crucial to showcase this BMW performance upgrade

year-2011-make-bmw-model-335ix

BMW B58 High Performance Software Tuning G-chassis M340i M440i M240i 540i 640i 740i X3M40i E70 INSTALLATION NOTE: If you areNOTE: 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***