Mishimoto Performance Aluminum Radiator (Auto) — Fits 1999-2006 BMW E46 323i 328i 330i

SKU: MISMMRAD-E46-323A
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Sale price$471.99
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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

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Performance Aluminum Radiator for BMW E46 (Non-M) - Automatic Transmission

Ensure your automatic transmission BMW E46 stays cool and performs at its peak with the Mishimoto Performance Aluminum Radiator. Specifically designed for 1999-2006 323i, 323is, 328i, 328is, 325i, 325xi, 330i, and 330xi models equipped with an automatic transmission (excluding M3), this radiator offers superior cooling efficiency to combat overheating.

Enhanced Cooling for Automatic Transmissions

The original plastic radiator is often inadequate for the demands of performance driving, especially with automatic transmissions. The Mishimoto E46 radiator provides a robust and efficient upgrade:

  • Durable All-Aluminum Build: Features a 100% brazed aluminum core and polished end tanks for exceptional strength and heat transfer.
  • Increased Coolant Volume: Offers a 20% larger coolant capacity compared to the stock radiator, allowing for more heat absorption.
  • Optimized Surface Area: Achieves an 18% increase in coolant surface area and a substantial 41% boost in air surface area for maximum heat dissipation.
  • Lower Operating Temperatures: Effectively reduces coolant temperatures by up to 19°F (10.5°C), crucial for maintaining transmission health and preventing performance loss.

This performance aluminum radiator is engineered for a precise fit, simplifying installation. Its superior construction ensures it will outlast and outperform the factory unit, providing reliable cooling for years to come. Protect your investment and enhance your driving experience with this essential upgrade. Keep your E46's engine and transmission operating within optimal temperature ranges, even under strenuous conditions.

Get the ultimate cooling solution for your automatic E46. Find the Mishimoto Performance Aluminum Radiator at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2000 BMW 323Ci Base
1999-2000 BMW 323i Base
1999 BMW 323is Base
2001-2006 BMW 325Ci Base
2001-2005 BMW 325i Base
2001-2005 BMW 325xi Base
2000 BMW 328Ci Base
1999-2000 BMW 328i Base
1999 BMW 328is Base
2001-2006 BMW 330Ci Base
2001-2006 BMW 330xi Base
2003-2005 BMW Z4 2.5i
2003-2005 BMW Z4 3.0i
2006-2008 BMW Z4 Coupe 3.0si
2006-2008 BMW Z4 M Coupe
2006-2008 BMW Z4 M Roadster
2006-2008 BMW Z4 Roadster 3.0i
2006-2008 BMW Z4 Roadster 3.0si
2009 BMW Z4 sDrive30i

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Performance Aluminum Radiator for BMW E46 (Non-M) - Automatic Transmission

Ensure your automatic transmission BMW E46 stays cool and performs at its peak with the Mishimoto Performance Aluminum Radiator. Specifically designed for 1999-2006 323i, 323is, 328i, 328is, 325i, 325xi, 330i, and 330xi models equipped with an automatic transmission (excluding M3), this radiator offers superior cooling efficiency to combat overheating.

Enhanced Cooling for Automatic Transmissions

The original plastic radiator is often inadequate for the demands of performance driving, especially with automatic transmissions. The Mishimoto E46 radiator provides a robust and efficient upgrade:

  • Durable All-Aluminum Build: Features a 100% brazed aluminum core and polished end tanks for exceptional strength and heat transfer.
  • Increased Coolant Volume: Offers a 20% larger coolant capacity compared to the stock radiator, allowing for more heat absorption.
  • Optimized Surface Area: Achieves an 18% increase in coolant surface area and a substantial 41% boost in air surface area for maximum heat dissipation.
  • Lower Operating Temperatures: Effectively reduces coolant temperatures by up to 19°F (10.5°C), crucial for maintaining transmission health and preventing performance loss.

This performance aluminum radiator is engineered for a precise fit, simplifying installation. Its superior construction ensures it will outlast and outperform the factory unit, providing reliable cooling for years to come. Protect your investment and enhance your driving experience with this essential upgrade. Keep your E46's engine and transmission operating within optimal temperature ranges, even under strenuous conditions.

Get the ultimate cooling solution for your automatic E46. Find the Mishimoto Performance Aluminum Radiator at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2000 BMW 323Ci Base
1999-2000 BMW 323i Base
1999 BMW 323is Base
2001-2006 BMW 325Ci Base
2001-2005 BMW 325i Base
2001-2005 BMW 325xi Base
2000 BMW 328Ci Base
1999-2000 BMW 328i Base
1999 BMW 328is Base
2001-2006 BMW 330Ci Base
2001-2006 BMW 330xi Base
2003-2005 BMW Z4 2.5i
2003-2005 BMW Z4 3.0i
2006-2008 BMW Z4 Coupe 3.0si
2006-2008 BMW Z4 M Coupe
2006-2008 BMW Z4 M Roadster
2006-2008 BMW Z4 Roadster 3.0i
2006-2008 BMW Z4 Roadster 3.0si
2009 BMW Z4 sDrive30i

Product Details

Product Description

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Performance Aluminum Radiator for BMW E46 (Non-M) - Automatic Transmission

Ensure your automatic transmission BMW E46 stays cool and performs at its peak with the Mishimoto Performance Aluminum Radiator. Specifically designed for 1999-2006 323i, 323is, 328i, 328is, 325i, 325xi, 330i, and 330xi models equipped with an automatic transmission (excluding M3), this radiator offers superior cooling efficiency to combat overheating.

Enhanced Cooling for Automatic Transmissions

The original plastic radiator is often inadequate for the demands of performance driving, especially with automatic transmissions. The Mishimoto E46 radiator provides a robust and efficient upgrade:

  • Durable All-Aluminum Build: Features a 100% brazed aluminum core and polished end tanks for exceptional strength and heat transfer.
  • Increased Coolant Volume: Offers a 20% larger coolant capacity compared to the stock radiator, allowing for more heat absorption.
  • Optimized Surface Area: Achieves an 18% increase in coolant surface area and a substantial 41% boost in air surface area for maximum heat dissipation.
  • Lower Operating Temperatures: Effectively reduces coolant temperatures by up to 19°F (10.5°C), crucial for maintaining transmission health and preventing performance loss.

This performance aluminum radiator is engineered for a precise fit, simplifying installation. Its superior construction ensures it will outlast and outperform the factory unit, providing reliable cooling for years to come. Protect your investment and enhance your driving experience with this essential upgrade. Keep your E46's engine and transmission operating within optimal temperature ranges, even under strenuous conditions.

Get the ultimate cooling solution for your automatic E46. Find the Mishimoto Performance Aluminum Radiator at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2000 BMW 323Ci Base
1999-2000 BMW 323i Base
1999 BMW 323is Base
2001-2006 BMW 325Ci Base
2001-2005 BMW 325i Base
2001-2005 BMW 325xi Base
2000 BMW 328Ci Base
1999-2000 BMW 328i Base
1999 BMW 328is Base
2001-2006 BMW 330Ci Base
2001-2006 BMW 330xi Base
2003-2005 BMW Z4 2.5i
2003-2005 BMW Z4 3.0i
2006-2008 BMW Z4 Coupe 3.0si
2006-2008 BMW Z4 M Coupe
2006-2008 BMW Z4 M Roadster
2006-2008 BMW Z4 Roadster 3.0i
2006-2008 BMW Z4 Roadster 3.0si
2009 BMW Z4 sDrive30i

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