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Koyo Racing All Aluminum Radiator — Fits 2001-2006 BMW E46 M3 3.2L I6

Koyo Racing All Aluminum Radiator — Fits 2001-2006 BMW E46 M3 3.2L I6
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Koyo Racing All Aluminum Radiator — Fits 2001-2006 BMW E46 M3 3.2L I6
Koyo

Koyo Racing All Aluminum Radiator — Fits 2001-2006 BMW E46 M3 3.2L I6

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SKU: KOYHH422675
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About Koyo Koyo engineers high-quality automotive parts and accessories trusted ...Read More

Price:
$746.99 $807.80
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches
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Product Details

Product Description
Part Numbers
Sizing & Fit

About Koyo

Koyo engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Koyo lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Superior Cooling for Your BMW E46 M3 with Koyo Racing

Elevate the cooling capabilities of your iconic 2001-2006 BMW E46 M3 3.2L I6 with the Koyo Racing All Aluminum Radiator. Designed specifically for the high-revving S54 engine, this radiator is a critical upgrade for enthusiasts seeking to prevent overheating and maintain optimal engine temperatures during aggressive driving, track days, or even daily spirited commutes.

Engineered for E46 M3 Performance

  • Full Aluminum Construction: Offers maximum heat exchange efficiency and exceptional durability over plastic end-tank OEM units.
  • Increased Core Thickness: Provides greater coolant volume and surface area for significantly improved cooling performance.
  • Direct Bolt-On Fitment: Ensures a hassle-free installation, designed to integrate perfectly with your E46 M3's factory mounts and hoses.
  • Reliable Temperature Control: Essential for preserving the longevity and consistent power output of your S54 engine.

Don't compromise on cooling for your M3. The Koyo HH422675 radiator is the ultimate solution. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2006 BMW M3 Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About Koyo

Koyo engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Koyo lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Superior Cooling for Your BMW E46 M3 with Koyo Racing

Elevate the cooling capabilities of your iconic 2001-2006 BMW E46 M3 3.2L I6 with the Koyo Racing All Aluminum Radiator. Designed specifically for the high-revving S54 engine, this radiator is a critical upgrade for enthusiasts seeking to prevent overheating and maintain optimal engine temperatures during aggressive driving, track days, or even daily spirited commutes.

Engineered for E46 M3 Performance

  • Full Aluminum Construction: Offers maximum heat exchange efficiency and exceptional durability over plastic end-tank OEM units.
  • Increased Core Thickness: Provides greater coolant volume and surface area for significantly improved cooling performance.
  • Direct Bolt-On Fitment: Ensures a hassle-free installation, designed to integrate perfectly with your E46 M3's factory mounts and hoses.
  • Reliable Temperature Control: Essential for preserving the longevity and consistent power output of your S54 engine.

Don't compromise on cooling for your M3. The Koyo HH422675 radiator is the ultimate solution. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2006 BMW M3 Base

Product Details

Product Description

About Koyo

Koyo engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Koyo lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Superior Cooling for Your BMW E46 M3 with Koyo Racing

Elevate the cooling capabilities of your iconic 2001-2006 BMW E46 M3 3.2L I6 with the Koyo Racing All Aluminum Radiator. Designed specifically for the high-revving S54 engine, this radiator is a critical upgrade for enthusiasts seeking to prevent overheating and maintain optimal engine temperatures during aggressive driving, track days, or even daily spirited commutes.

Engineered for E46 M3 Performance

  • Full Aluminum Construction: Offers maximum heat exchange efficiency and exceptional durability over plastic end-tank OEM units.
  • Increased Core Thickness: Provides greater coolant volume and surface area for significantly improved cooling performance.
  • Direct Bolt-On Fitment: Ensures a hassle-free installation, designed to integrate perfectly with your E46 M3's factory mounts and hoses.
  • Reliable Temperature Control: Essential for preserving the longevity and consistent power output of your S54 engine.

Don't compromise on cooling for your M3. The Koyo HH422675 radiator is the ultimate solution. Available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2001-2006 BMW M3 Base

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