MMX Plug-In Engine Tuning Box ECU Piggyback Module for BMW M4 F82/F83 S55 3.0 Twin-Turbo Coupe and Convertible Vehicle model:BMW F82 & F83 M4 Competition (S55) the Bilstein B8 24-251990 is

the Bilstein B8 24-251990 is the proven solution

Immediate steering precision and improved front axle grip

E60 tension strut bush kit

more responsive drive on your F25 with Powerflex PFF5-4020

sharper throttle response and a premium twin oval chrome finish that looks perfect under the bumper

MMX Plug-In Engine Tuning Box ECU Piggyback Module for BMW M4 F82/F83 S55 3.0 Twin-Turbo Coupe and Convertible Vehicle model:BMW F82 & F83 M4 Competition (S55) the Bilstein B8 24-251990 isTransform the way your BMW M4 drives with this MMX performance module for the S55 3. 0 twin turbo engine in the F82 coupe and F83 convertible. Expect a serious uplift in bhp and torque, crisper throttle response and harder, cleaner acceleration across the rev range. It is the ideal remap alternative for owners who want big gains without opening or flashing the factory ECU. The MMX unit sits as a high quality piggyback between engine sensors and the