WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, visit www.P65warnings.ca.gov.Aggressive track sessions or high-torque transmission tuning on the BMW G8X platform can quickly push the factory ZF8 cooling system past its thermal limits. The CSF 8221 replaces the undersized factory unit with a massive dual-core design to prevent limp mode and protect your transmission from heat-related damage. This upgrade provides a 194% increase in core and tank volume compared to the OEM cooler, ensuring stable fluid temperatures during road racing or drag racing.
Key Features
- Dual-core design with two 22mm stacked cores for 44mm total thickness
- 194% increase in core and tank volume over the factory unit
- 94% increase in fluid capacity (1700ml vs. OEM 875ml)
- Rear cooler features 16 rows compared to 14 rows on the OEM unit
- Front cooler adds an additional 16 rows for maximum surface area
- 1-row super-high pressure 16mm 9-channel microtube technology
- OEM-style quick-connect inlet and outlet connections
- Utilizes factory top and bottom rubber seals for optimal airflow
- Compatible with CSF High-Performance Heat Exchanger (CSF 8215) or OEM system
- Black finish with 2-year limited warranty
Specifications
| Core Material | Aluminum |
| Core Configuration | Dual-Core, 44mm Thick |
| Core Row Quantity | 2 |
| Inlet/Outlet Attachment | Quick Connect |
| Finish | Black |
| Grade Type | Performance |
Fits
Fits the BMW G8X chassis, including the G80 M3, G82/G83 M4, and G87 M2 equipped with the ZF8 automatic transmission.
Installation
This product is a drop-in fit application that installs in the OEM location with no modifications required. It utilizes factory mounting points and quick-connect lines. CSF recommends following the manufacturer repair manual for standard installation procedures. Installation typically requires a qualified facility if you are not experienced with BMW cooling systems.
Warranty: 2-year limited warranty.
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