CSF
CSF BMW M3/M4 (G8X) Transmission Oil Cooler w/ Rock Guard
SKU: C00B 8221
Description
Part #: 8221
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.
Features:
- Dual-Core Design
- 194% Increase in Core & Tank Volume
- 94% Increase in Fluid Capacity Compared to OEM (CSF 1700ml vs. OEM 875ml)
- Two 22mm Stacked Cores = 44mm Core Thickness vs. OEM 28mm Core Thickness
- Rear Cooler: 16 Rows vs. OEM 14 Rows (191mm Overall Height vs. OEM 155mm)
- Front Cooler: Additional 16 Rows
- 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
- Utilizes OEM Top/Bottom Rubber Seals for Optimal Airflow
- OEM Style "Quick Connect" Inlet/Outlet Connections
- Drop-in Fit Requires No Modifications to Install
- Can be Installed With CSF's High-Performance Heat Exchanger (CSF #8215) or with the OEM Cooling System
- 2-Year Limited Warranty
- Ideal for Road Racing, Drag Racing, and Vehicles With Increased Performance and/or Transmission Tuning
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.
Fitment
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Specifications
| Brand | CSF |
| Part Number | C00B 8221 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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