CSF BMW M3 High Performance Power Steering Cooler (E90/E92/E93) Caption Remote Valved Cat Back F21 chassis bush upgrade

F21 chassis bush upgrade

High grade T6061 billet alloy for strength

motorsport rear arms Supra A90

M Performance style design that visually lowers the car and sharpens the side profile

simple tape-on fit

CSF BMW M3 High Performance Power Steering Cooler (E90/E92/E93) Caption Remote Valved Cat Back F21 chassis bush upgradeCSF's High Performance Power Steering Cooler is an essential cooling modification for the E9X M3 renowned for suffering from high power steering temperatures. As the power steering fluid heats up, there's a dramatic drop in pressure which reduces the effectiveness of the vehicle's hydraulic steering system. This is especially prevalent on track and is an often overlooked cooling upgrade. CSF created this solution to maintain cool fluid temperatures,