CSF’s ultra-high quality All-Aluminium Cab-Braized Dual-Pass Power Steering Cooler for the E90, E92 and E93 M3. A true must for all E9X M3s for fast road, track or race use experiencing high revs for extended periods and/or increased engine bay temperatures.

• Changes from OEM’s low-efficiency mechanically-bonded core design to CAB-braized high-efficiency plate-type design
• Made with CSF’s AC condenser technology using a 1-row super-high pressure 18mm wide 4-channel microtube
• Dual-pass 6-row design with an 83% increase in surface area compared to OEM unit
• ‘Drop-in fit’ requiring no modifications to install. Accepts all attaching OEM components including oil-line connections, mounting brackets and AC condenser
• Lab tested at ~40% more efficient than OEM cooler
• World’s first true ‘plug and play’ power steering cooler for the E9X platform
• Increase in unit size (total 83mm in height) designed towards top of cooler from OEM position. Allows cooler to work with any aftermarket supercharger heat exchanger or auxiliary coolers that may be placed underneath OEM positioned power steering cooler