BMW E9X M3 Power Steering Cooler

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From CarBahn

CSF High-Efficiency Power Steering Cooler - E9X M3 (CSF Part #8041) Track-Proven Cooling Solution for the E9X M3 Steering System Track-driven E9X M3s are notorious for overheating power steering systems-leading to fluid overflow diminished steering response and in severe cases pump or rack failure. The CarBahn High-Efficiency Power Steering Cooler developed in partnership with CSF directly addresses this issue by drastically improving thermal efficiency and fluid stability under high-load conditions. Designed as a true plug-and-play upgrade this cooler increases surface area by 83 and has been lab-tested to deliver a 40 improvement in cooling performance over the stock unit.