CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator

Compared to the OEM G8X coolers, the CSF units are a significant upgrade. The TIG welded aluminum tanks are much larger than the OE plastic tanks offering superior strength and fluid volume. A larger 2-row 42mm core increases cooling efficiency and capacity. This high efficiency core uses CSF's Exclusive B-Tube Technology and latest 5mm fin technology, maximizing airflow and heat dissipation. These 5mm fins significantly increase the heat exchange surface area improving overall cooling efficiency and recovery while still maintaining good airflow. CSF manufactures the most advanced and efficient auxiliary radiator in the industry for your BMW G8X M3/M4/M2. CSF uses innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation. The CSF #8321 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.

• New "Track-Spec" 5mm Tall Ultra Efficient Fins with a Multi-Louvered Design for Maximum Surface Area Contact and Heat Dissipation
• High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement
• 2-Row - 42mm High-Performance Core Featuring CSF's Exclusive B-tube Technology
• Sold Individually - all applications use 2 auxiliary radiators
• True "Drop-in Fit" Requires No Modifications to Install
• 100% All-Aluminum TIG-Welded Construction
• Multi-Fit - Fits Both Left & Right Side
• OEM Style "Quick Connect" Inlet/Outlet
• Individually Leak and Pressure Tested
• Tank Volume and Core Size Increased
• Satin Black Finish for OEM+ Look
• Includes Detachable Rock Guard
• 2 Year Limited Warranty

Upgrade your BMW G8X M3, M4, or M2 with the CSF #8321 high-performance auxiliary radiator designed for superior cooling efficiency and durability. Featuring TIG-welded all-aluminum construction, this radiator offers a significant upgrade over OEM units with larger aluminum tanks that provide increased strength and fluid capacity. The 2-row 42mm core employs CSF's exclusive B-Tube technology combined with innovative 5mm fin technology, maximizing airflow and heat dissipation for enhanced engine cooling. The track-spec design includes ultra-efficient multi-louvered fins that increase heat exchange surface area, making this radiator suitable for both street performance and professional racing applications. Its OEM-style quick connect inlet and outlet facilitate a straightforward, drop-in installation without modifications, ensuring a seamless fit in the OEM location. Each radiator is individually leak and pressure tested to guarantee reliability and performance. Finished in a satin black coating for an OEM+ appearance, the radiator also includes a detachable rock guard for added protection. This product is engineered for both left and right side fitments, making it a versatile upgrade for your vehicle. Backed by a two-year limited warranty, the CSF auxiliary radiator provides a high-efficiency cooling solution that enhances overall vehicle performance and reliability. Designed to meet the demands of high-performance driving, this radiator is a must-have upgrade for enthusiasts seeking optimal cooling capacity and durability in their BMW G8X models.

Features:

• Track-Spec 5mm tall ultra-efficient fins with multi-louvered design for maximum heat dissipation

• High-performance upgrade suitable for racing, street use, or OEM replacement

• 2-row, 42mm high-performance core with CSF's exclusive B-tube technology

• Drop-in fit with no modifications required for installation

• 100% all-aluminum TIG-welded construction for durability and corrosion resistance

• Fits both left and right side with OEM-style quick connect inlet/outlet

• Individually leak and pressure tested to ensure reliability

• Increased tank volume and core size for enhanced fluid capacity

• Satin black finish providing an OEM+ aesthetic

• Includes a detachable rock guard for added protection

• Backed by a 2-year limited warranty

Fitment:
BMW M3 Competition xDrive 2024
BMW M3 Competition xDrive 2025
BMW M3 CS 2024
BMW M4 Base 2021
BMW M4 Base 2022
BMW M4 Base 2023
BMW M4 Base 2024
BMW M4 Base 2025
BMW M4 Base 2026
BMW M4 Competition 2021
BMW M4 Competition 2022
BMW M4 Competition 2023
BMW M4 Competition 2024
BMW M4 Competition 2025
BMW M4 Competition 2026
BMW M4 Competition xDrive 2021
BMW M4 Competition xDrive 2022
BMW M4 Competition xDrive 2023
BMW M4 Competition xDrive 2024
BMW M4 Competition xDrive 2025
BMW M4 Competition xDrive 2026
BMW M4 CS 2025
BMW M4 CSL 2023