CSF 07-13 BMW M3 (E9X) High Performance Power Steering Cooler Roofs & Roof Accessories>Storage Racks System contains a merge X-Pipe

System contains a merge X-Pipe for increased performance and improved sound

has 6 change-on-the-fly power levels

Banks' exclusive BigHead wastegate actuator prevents wastegate blow-open by keeping the valve seated at higher pressures

The ultimate universal dual-pass cross flow heat exchanger is the ideal option for you custom project

CSF 07-13 BMW M3 (E9X) High Performance Power Steering Cooler Roofs & Roof Accessories>Storage Racks System contains a merge X-PipeThe engineers at CSF know cooling. So when it comes to keeping your power steering fluid temps in check as you push your E9X M3 hard on the street or track, the CSF PS Cooler is the obvious choice. While often overlooked, your power steering system can become quite annoying if it overheats. As power steering fluid boils it gets bubbles in the system leading to sloppy steering response and a noisy pump. On top of that, you will need to replace your