The CSF transmission oil cooler for BMW G8X M3/M4/M2 is a drop-in solution that increases cooling efficiency by about 30% for heavy use on street or track. It uses CSF AC condenser technology with a 1-row 16mm microtube front cooler and dual-core rear cooler, offers a substantial increase in fluid and core volume over OEM, OEM-style quick connects and is supplied for direct fitment.
CSF BMW M3/M4 (G8X) Transmission Oil Cooler w/ Rock Guard