The CSF High Performance Stepped Core Bar/Plate Intercooler in black is designed for BMW 335i/xi models (E90/E91/E92/E93), as well as compatible with E82/E88 135i, E82 M coupe, E84 X1 35iX, and E89 Z4 35i(s) Roadster. As the exclusive source for Radiators, Condensers, Intercoolers, Inverter Coolers, Racing Radiators, and Pressure Caps, CSF has been serving the US aftermarket for almost 4 decades with over 30 million units sold. Upgrade your vehicle's cooling system with this high performance intercooler from CSF, the cooling experts.