CSF F8X M2C / M3 / M4 Auxiliary Radiator

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$469.00
$469.00
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  • Free shipping over $200
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Improve heat management on your BMW F8X M2 Competition, M3, or M4 with the CSF Auxiliary Radiator Set. Designed to work alongside the factory cooling system, this auxiliary set provides efficient heat rejection to keep your engine and fluids running cooler during demanding driving conditions, high-speed pulls, and track sessions.

Each radiator is precision engineered with high-flow internal cores and durable aluminum construction to maximize airflow and heat dissipation. This upgrade supports better thermal stability and helps reduce heat soak, delivering more consistent performance through extended aggressive driving.

The CSF auxiliary radiators are built for direct compatibility with F8X platform vehicles and install using factory locations and hardware for a clean integration.

Features and Benefits

  • High-efficiency auxiliary radiator set for enhanced cooling
  • 2-row 42mm core (dual core) featuring CSF’s exclusive B-tube technology
  • Precision aluminum construction for durability and heat dissipation
  • Tank Volume increased by 10% and Core Size Increased by 6.4%
  • Large core design improves airflow and thermal rejection
  • Helps reduce heat soak under performance driving
  • Direct fitment for the F8X cooling system - Left & Right Sides
  • Complements OEM radiators and enhances overall cooling capacity
  • True “Drop-in Fit” Requires No Modifications to Install
  • Satin Black Finish for OEM+ Look
  • 2 Year Limited Warranty

Fitment

  • BMW M2 Competition (F87 M2C)
  • BMW M3 (F80)
  • BMW M4 (F82 / F83)

Replaces OE BMW Part Numbers:

  • 17112284603 (Left)
  • 17112284604 (Right)
CSF F8X M2C / M3 / M4 Auxiliary Radiator

$469.00

Does it come with a warranty?

Parts are covered by the manufacturer's warranty where one is offered. If something goes wrong, contact us and we'll help you with the claim.

What happens if I don't like it?

New, uninstalled parts in their original packaging can be returned within 30 days of delivery. Suspension components (coilovers, springs and dampers), wheel spacers and batteries can't be returned, and a restocking fee applies to approved returns. See our refund policy for details.

How fast is shipping?

In-stock orders usually ship within 1–3 business days. Many parts ship directly from the manufacturer or distributor. Orders over $200 ship free with standard shipping, and faster UPS and USPS options are available at checkout. See our shipping policy.

What's the returns policy?

You have 30 days after receiving your item to request a return. Parts must be new, uninstalled and in their original packaging. Contact us first to start a return. Full details are in our refund policy.

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