CSF 07-13 BMW M3 (E9X) High Performance Power Steering Cooler Roofs & Roof Accessories>Storage Racks the 13129 EFI Bypass Regulator

the 13129 EFI Bypass Regulator can handle high-flow EFI fuel pumps and the most aggressive street machines

BORLA®'S Polyphonic Harmonizer Technology utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

These units come preset to factory settings and require no modification of turbocharger for a hassle-free installation

the 1FG Exhaust removes the factory front suitcase resonator as well and replaces it with two bespoke AWE resonated front sections

CSF 07-13 BMW M3 (E9X) High Performance Power Steering Cooler Roofs & Roof Accessories>Storage Racks the 13129 EFI Bypass RegulatorThe 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