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CSF Radiators BMW M2/M3/M4 (S58) High Performance Auxiliary
CSF-8321
£516.00
Upgrade your BMW G80 M3, G82 M4, or G87 M2's performance with CSF's High-Performance Auxiliary Radiators, specifically engineered for the S58 engine. Designed as a direct "drop-in fit," these radiators seamlessly replace the factory units, utilizing OEM mounting points and quick-connect fittings for a hassle-free installation.
Please note that these radiators are sold INDIVIDUALLY - you must add 2 to your basket.
Quantity







Fitting Information
- BMW G80 M3 Saloon (2021+)
- BMW G80 M3 Competition Saloon (2021+)
- BMW G81 M3 Touring (2023+)
- BMW G81 M3 Competition Touring (2023+)
- BMW G82 M4 Coupe (2021+)
- BMW G82 M4 Competition Coupe (2021+)
- BMW G83 M4 Convertible (2021+)
- BMW G83 M4 Competition Convertible (2021+)
- BMW G87 M2 Coupe (2023+)
Features
- Superior Cooling Efficiency: Equipped with a 2-row 42mm high-performance core featuring CSF's exclusive B-Tube technology, these radiators significantly enhance heat dissipation. The ultra-efficient 5mm tall multi-louvered fins maximize surface area contact, ensuring optimal cooling under aggressive driving conditions.
- Enhanced Durability: Constructed from 100% TIG-welded aluminum, these radiators eliminate the weaknesses of OEM plastic tanks. The all-aluminum build increases tank volume and core size, providing a 10% increase in tank capacity and a 6.4% increase in core size over stock radiators.
- Integrated Protection: Each radiator includes a detachable rock guard, offering additional defense against road debris and potential punctures, a common issue with OEM coolers. The satin black finish not only provides a sleek, OEM+ appearance but also adds an extra layer of protection.
Benefits:
- Optimal Performance: By maintaining lower engine temperatures, these auxiliary radiators help prevent heat soak, ensuring your BMW operates at peak performance during high-demand scenarios.
- Extended Engine Life: Efficient cooling reduces thermal stress on engine components, potentially extending the lifespan of your vehicle's engine.
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PLEASE BE AWARE: Sports cats can NOT legally be installed on a vehicle for use on a public road that was manufactured after 1st March 2001 unless type ECE 103R approved - this can be identified in either the product description and/or in the Technical Information section listed. If you have any doubt on this approval, please contact us immediately for confirmation. Fitting a De-Cat/Cat Bypass, DPF delete/bypass or GPF delete/bypass to a vehicle that is to be used on UK roads will cause the vehicle to fail the MOT emissions test, therefore rendering it unroadworthy and illegal to be used on the road. Therefore, any such products are strictly sold as off-road or motorsport use only and NOT for road use. The vehicle should be transported from place to place via a trailer, flatbed or other recovery means.