CSF 00-06 BMW M3 (E46) Race-Spec Dual-Pass Oil Cooler

Upgrade your stock OEM oil cooler to an aftermarket option available from CSF. Through wind-tunnel, burst limit, vibration, thermal cycle and leak testing, CSF provides comfort in knowing their oil coolers are performance oriented, but still daily drive-able. Their aluminum oil coolers are made from military grade metal and feature an all aluminum tank and core construction which offer : lower operating temperatures higher heat dissipation dual internal rows for concentrated cooling drop in design, no modification necessary to install guarantees against leakage from aged cooling components