Wagner Tuning 57mm charge pipe kit for BMW M2/M3/M4 with the S55 engine replaces restrictive stock plumbing with a direct-fit 57mm intercooler pipe set to improve airflow. Built for forced induction tuning paths, the kit supports higher boost flow and is intended as an upgrade for S55-powered BMW models seeking reduced pressure drop between compressor and throttle.
Wagner Tuning BMW M2/M3/M4 S55 Engine 57mm Charge Pipe Kit