Intercooler Pipe Kit FIT BMW F20 F30 F31 N55 M135i M235i 335 N55 3 NEW BRAND. Increase throttle response and decreases turbo lag. Throttle body matched 3 piping. Retains factory style o-ring throttle body lock flange. Precision CNC machined throttle body flange ensures leak free connection to throttle body. Quick and easy connection and disconnection to throttle body. Ideal connection compared to the silicone hose and hose clamp connection found in all other aftermarket diverter valve upgrade pipes available in the marketplace. Precision CNC machined MAP sensor flange ensures leak free connection. Diverter Valve Charge Pipe features beaded ends and T-bolt clamps to prevent intercooler piping from coming off from boost. Optional Type III Hard Black Anodizing (for stealth and OEM look). Hard anodizing helps improve durability of intercooler piping. Resists bent or dented piping. Compatible with the factory electronic diverter valve. Includes all hardware for complete installation. For BMW N55 F20 F30 F31 M135i M235i. 2016 F87 for BMW M2. We will check and solve it. Items are aftermarket, most of the item don’t have instructions. We strong suggestion Professional installation. We are an auto parts shop that will try our best to serve you better!