Further Information
The CSF BMW G8X M3/M4 ZF8 Transmission Oil Cooler is engineered for high-performance and track-use applications. Featuring a unique dual-pass design with dual cores, this cooler nearly triples the volume of the OEM unit while maintaining perfect fitment in the factory position. Designed in collaboration with race teams and time attack competitors, it delivers superior heat dissipation to maintain optimal transmission fluid temperatures under demanding conditions.
Key Features:
- Dual-core dual-pass design increases core volume 194% compared to OEM
- Fluid capacity increased to 1700ml versus OEM 875ml (~94% improvement)
- Two 22mm stacked cores provide 44mm total thickness versus OEM 28mm
- 9-Channel Microtube technology optimizes oil flow and surface area contact
- Rear cooler features 16 rows (191mm height) versus OEM 14 rows (155mm)
- Drop-in fit design with OEM rubber seals and quick-connect inlet/outlet
- Replaceable rock guard shields cooler from track and road debris
- Compatible with CSF High-Performance Heat Exchanger or OEM cooling systems
Performance Notes:
- Real-world track testing by Studio RSR showed noticeable reduction in transmission temperatures
- Velocity Performance reported 2-second lap time improvement on G82 M4 Time Attack car
- Maintains consistent shifting performance during extended track sessions
Includes:
- Dual-core transmission oil cooler assembly
- Replaceable rock guard
- OEM-style quick-connect fittings pre-installed
- 2-Year Limited Warranty
Superior cooling for track-prepped and modified G8X M-Cars. Built for reliability.
| Manufacturer SKU | 8221 |
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