Description

Oettinger and many more leading companies in the international automotive industry with its damping characteristics

making it the ultimate OEM+ accessory

Carbon fibre construction

Innovative Dual-Core Design (Industry Exclusive) vs

Compression on installation

Burger Motorsports BMW M3/M4 S58 JB4 Tuner (G80/G81/G82/G83) Golf R (Mk7) BRAKING Oettinger and many more leadingThe ultimate tune for your S58 powered G80 M3 and G82 M4, the JB4 allows you to go from factory stock to full race, and everywhere in between. The JB4 installs and removes easily and includes many unique features not found in any other tune including user adjustable 1st and 2nd gear boost limiting, smartphone integration, electronic wastegate control, ethanol fuel support, and built in advanced CANbus based diagnostic tools. Installation is easy and

Exchange/Return Notes