CSF BMW M3/M4 (G8X) Transmission Oil Cooler w/ Rock Guard - 8221

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

This Part Fits:

Year	Make	Model	Submodel
2023-2025	BMW	M2	Base
2024-2025	BMW	M3	Base
2021-2025	BMW	M3	Competition
2022-2025	BMW	M3	Competition xDrive
2024	BMW	M3	CS
2024-2025	BMW	M4	Base
2021-2025	BMW	M4	Competition
2022-2025	BMW	M4	Competition xDrive
2025	BMW	M4	CS
2023	BMW	M4	CSL