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  • CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards (Sold Individually - Fits Left and Right
-6%
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - high performance car parts, DTX Performance
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/Rock Guards - Performance car parts for engine enhancements.
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, veteran owned performance shop, high performance auto parts
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, performance car parts, high performance auto parts, DTX Performance
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, shown installed, high performance auto parts, performance upgrades
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, performance car parts - DTX Performance
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards for high performance car parts and tuning upgrades at DTX Performance.
CSF BMW F8X M3/M4/M2C Auxiliary Radiators
CSF BMW F8X M3/M4/M2C Auxiliary Radiators
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards by DTX Performance for high performance auto parts and performance car tuning upgrades
CSF BMW F8X M3/M4/M2C Auxiliary Radiators - Performance upgrades by DTX Performance, veteran owned shop focused on engine performance.
CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Performance car parts from DTX Performance.
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - performance car parts by DTX Performance. Enhanced cooling for better performance.
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - Performance car parts from DTX Performance, veteran owned performance shop.
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - Performance car parts for BMW engines - DTX Performance - 2-row 42mm core
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, performance car parts, veteran owned performance shop
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, upgrade with increased core size, available at DTX Performance, veteran-owned shop
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, performance car parts, DTX Performance shop, tuning upgrades.
CSF BMW F8X M3/M4/M2C Auxiliary Radiators Logo
CSF logo for BMW F8X performance parts
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Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - high performance car parts, DTX Performance
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/Rock Guards - Performance car parts for engine enhancements.
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, veteran owned performance shop, high performance auto parts
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, performance car parts, high performance auto parts, DTX Performance
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, shown installed, high performance auto parts, performance upgrades
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, performance car parts - DTX Performance
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards for high performance car parts and tuning upgrades at DTX Performance.
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards by DTX Performance for high performance auto parts and performance car tuning upgrades
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators - Performance upgrades by DTX Performance, veteran owned shop focused on engine performance.
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators with Rock Guards - Performance car parts from DTX Performance.
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - performance car parts by DTX Performance. Enhanced cooling for better performance.
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - Performance car parts from DTX Performance, veteran owned performance shop.
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - Performance car parts for BMW engines - DTX Performance - 2-row 42mm core
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, performance car parts, veteran owned performance shop
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, upgrade with increased core size, available at DTX Performance, veteran-owned shop
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards, performance car parts, DTX Performance shop, tuning upgrades.
Load image into Gallery viewer, CSF BMW F8X M3/M4/M2C Auxiliary Radiators Logo
Load image into Gallery viewer, CSF logo for BMW F8X performance parts
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CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards (Sold Individually - Fits Left and Right

CSF
8258
CSF8258
In stock
Radiators
$499.00 $469.00
Compared to the OEM F8X coolers, the CSF units are a significant upgrade. CSF eliminated the...
$469.00
Notice: Some products may take longer to fulfill (check availability)
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CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards (Sold Individually - Fits Left and Right
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards (Sold Individually - Fits Left and Right
Description

Compared to the OEM F8X coolers, the CSF units are a significant upgrade. CSF eliminated the OE plastic mounting pod by incorporating it into the modular design that fits both sides. This design improvement increases the size of both the core and tanks. The extra space taken from the mounting pod allowed for a 7% increase in Core Size and an 10% increase in Tank Volume. With a larger 2-row 42mm core, cooling efficiency and capacity are drastically increased. The high efficiency core using CSF's Exclusive B-Tube Technology maximizes airflow and heat dissipation. 100% All-Aluminum construction ensures the best performance and durability. The mounting pins and brackets are much stronger and more durable than the OE plastic pod mounting system. In addition, the black finish provides extra protection and offers a stealthy look behind the grilles of your F8X. In addition, the CSF auxiliary radiators also feature integrated bolt on rock guards to keep the coolers safe. You've no doubt heard horror stories about OEM coolers getting punctured and spilling fluids all over the road or track. Now you can feel more confident that your cooling system is safer from road debris.

  • 2026 Update: 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
  • Sold Individually - all applications require 2 auxiliary radiators
  • 2-Row 42mm High-Performance Core Featuring CSF's B-Tube Technology
  • Tank Volume increased by 10% and Core Size Increased by 6.4%
  • 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
  • Satin Black Finish for OEM+ Look
  • Includes Detachable Rock Guard
  • 2 Year Limited Warranty

This Part Fits:

Year Make Model Submodel
2019-2021 BMW M2 Competition
2020 BMW M2 CS
2015-2018 BMW M3 Base
2015-2020 BMW M4 Base
2019-2020 BMW M4 CS
2016 BMW M4 GTS
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Product Product subtotal Quantity Price Product subtotal
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards - high performance car parts, DTX Performance
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards (Sold Individually - Fits Left and Right
CSF BMW F8X M3/M4/M2C Auxiliary Radiators w/ Rock Guards (Sold Individually - Fits Left and Right
$499.00
$469.00/ea
 $0.00
$499.00
$469.00/ea
 $0.00
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