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CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator - Main Product View
CSF High-Performance Auxiliary Radiator - Single Radiator fits 2021-2025 BMW M2 / M3 / M4 - Side View
CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator - Back View
CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator - Installation View
CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator - Additional View 5
CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator - Additional View 6
CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator - Additional View 7
CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator - Additional View 8
CSF BMW G8X M3/M4/M2 High-Performance Auxiliary Radiator - Single Radiator - Additional View 9
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CSF High-Performance Auxiliary Radiator - Single Radiator fits 2021-2025 BMW M2 / M3 / M4

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

CSF
8321
Many in stock
$519.00 USD $485.99 USD
$485.99 USD

CSF High-Performance Auxiliary Radiator - Single Radiator fits 2021-2025 BMW M2 / M3 / M4
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.

This Part Fits:

Year Make Model Submodel
2024-2025 BMW M3 Competition xDrive
2024 BMW M3 CS
2021-2026 BMW M4 Base
2021-2026 BMW M4 Competition
2022-2026 BMW M4 Competition xDrive
2025 BMW M4 CS
2023 BMW M4 CSL
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