CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards – High-Performance Aluminum Upgrade Part #8258

Description

Upgrade your BMW F8X M3, M4, or M2C cooling system with the CSF Part #8258 auxiliary radiators, engineered to deliver superior cooling efficiency and durability. Featuring a modular design that replaces the OEM plastic mounting pods, these radiators boast increased core and tank volumes, with a 7% larger core and a 10% larger tank, resulting in enhanced heat dissipation. The 2-row, 42mm high-performance core utilizes CSF’s proprietary B-Tube Technology, which maximizes airflow and heat transfer for optimal performance on the street or track. Constructed entirely of TIG-welded aluminum, these radiators are lightweight, corrosion-resistant, and built to withstand demanding conditions. The satin black finish not only provides an OEM+ appearance but also adds a layer of protection against debris and corrosion. Each radiator includes a detachable rock guard for added safety, helping prevent punctures and leaks caused by road debris, giving you confidence in your vehicle’s cooling system during intense driving conditions. Designed for a true “drop-in fit,” installation requires no modifications, making it accessible for both professional and experienced DIY installers. These auxiliary radiators are individually tested for leaks and pressure, ensuring reliability and peace of mind. Compatible with both left and right sides, they feature OEM-style quick connect inlets and outlets for seamless integration. Whether for high-performance racing, street driving, or OEM replacement, the CSF #8258 radiators offer a significant upgrade over stock, delivering enhanced cooling capacity and durability for your BMW F8X series. Backed by a two-year limited warranty, this product ensures long-lasting performance and peace of mind. Proper installation is recommended to ensure optimal function and safety, and professional services are advised if needed.

Features:

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

• Enhanced core with CSF’s B-Tube technology for maximum airflow and heat dissipation

• Increased tank volume by 10% and core size by 6.4% for improved cooling capacity

• All-aluminum TIG-welded construction for durability and corrosion resistance

• Designed for a true “drop-in fit” with no modifications required

• Includes detachable rock guard for added protection against road debris

• OEM-style quick connect inlet and outlet for seamless installation

• Individually leak and pressure tested for reliability

• Satin black finish offers OEM+ appearance and extra protection

• Fits both left and right sides of BMW F8X models with ease

Fitment:
BMW M2 Competition 2019
BMW M2 Competition 2020
BMW M2 Competition 2021
BMW M2 CS 2020
BMW M3 Base 2015
BMW M3 Base 2016
BMW M3 Base 2017
BMW M3 Base 2018
BMW M4 Base 2015
BMW M4 Base 2016
BMW M4 Base 2017
BMW M4 Base 2018
BMW M4 Base 2019
BMW M4 Base 2020
BMW M4 CS 2019
BMW M4 CS 2020
BMW M4 GTS 2016