For the exterior, the stylistics touches include black border around the wheel arches, a honeycomb grille and side skirts that curve inwards that give the MINI models that distinct JCW look. The package also provide 17-inch light alloy wheels in a Cross-Spoke Challenge design. For the interior, the three-spoke steering wheel gets sporty red stitching on the black leather, JCW-badged door sills and a JCW adorned gear shift for manual gearboxes.
The JCW tuning kit also provide power upgrades for the MINI Cooper S, MINI Cooper S Clubman and MINI Cooper S cabriolet. The twin-scroll turbocharged 1.6 liter 4-cylinder engine can be optimized to produced 200 bhp and 250 Nm of torque. To enhance the safety aspects, Dynamic Traction Control and Electronic Differential Lock functions are fitted to compliment the stability system.