CSF Auxiliary Radiators, BMW F8X M

CSF Auxiliary Radiators are a great addition to the already popular F8X Cooling Suite. Like the other cooling systems on the F8X, the factory auxiliary radiators do a pretty good job in stock form. However, once you start adding power and pushing the car in aggressive driving conditions, the factory systems start to show their limitations. Over time, OEM coolers end up with damaged or clogged fins. As more and more owners have pushed the limits of their S55 on the aging F8X platform, CSF saw the need and demand.

• Sold Individually – all applications require 2 auxiliary radiators
• Multi-Fit – Fits Both Left & Right Side
• 2-Row 42mm High-Performance Core Featuring CSF’s B-Tube Technology
• Ultra Efficient 6.5 mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact
• Tank Volume increased by 10% and Core Size Increased by 6.4%
• 100% All-Aluminum TIG-Welded Construction
• OEM Style “Quick Connect” Inlet/Outlet
• True “Drop-in Fit” Requires No Modifications to Install
• Includes Detachable Rock Guard
• Individually Leak and Pressure Tested
• High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement
• Satin Black Finish for OEM+ Look
• 2 Year Limited Warranty

Applications:
- 2015-18 BMW F80 M3 S55 3.0L
- 2015-20 BMW F82 M4 S55 3.0L
- 2015-20 BMW F83 M4 S55 3.0L
- 2019-21 BMW F87 M2 Competition S55 3.0L
OEM Part Numbers: 

• BMW: 17-11-2-284-603 / 17112284603 (Left)
• BMW: 17-11-2-284-604 / 17112284604 (Right)