The engineers at CSF know cooling. So when it comes to keeping your transmission temps down as you push your BMW G8X M3/M4/M2 hard on the street or track, the CSF ZF8 Trans Cooler is the obvious choice. With an increase in cooling efficiency of around 30%, you can drive with confidence knowing you won't be damaging your expensive transmission due to overheating.
CSF offers the best and most advanced Transmission Coolers on the market. Keeping your transmission temps down as you push your BMW G8X M3/M4/M2 hard on the street or track.
The CSF #8221 Cooling product is designed to be a "Drop-In Fit" application. The product will install in the OEM Location with no modifications necessary unless otherwise noted or instructions are included in the product package. Please see the manufacturer repair manual for standard installation instructions. If you do not feel confident installing this product CSF recommends taking it to a qualified installation facility.

• Made with CSF's AC Condenser Technology Using a 1-Row Super-High Pressure 16mm 9-Channel Microtube for Optimal Oil Flow and Maximum Surface Area Contact


• Can be Installed With CSF's High-Performance Heat Exchanger (CSF #8215) or with the OEM Cooling System


• Ideal for Road Racing, Drag Racing, and Vehicles With Increased Performance and/or Transmission Tuning


• 94% Increase in Fluid Capacity Compared to OEM (CSF 1700ml vs. OEM 875ml)


• Rear Cooler: 16 Rows vs. OEM 14 Rows (191mm Overall Height vs. OEM 155mm)


• Two 22mm Stacked Cores = 44mm Core Thickness vs. OEM 28mm Core Thickness


• Utilizes OEM Top/Bottom Rubber Seals for Optimal Airflow


• OEM Style "Quick Connect" Inlet/Outlet Connections


• Drop-in Fit Requires No Modifications to Install


• 194% Increase in Core & Tank Volume


• Front Cooler: Additional 16 Rows


• 2-Year Limited Warranty


• Dual-Core Design

Vehicle Fitment