Mishimoto · New
Mishimoto 99-06 BMW 323i/323i/328i/330i w/ Auto Transmission Performance Aluminum Radiator
MPN MMRAD-E46-323A · Store SKU misMMRAD-E46-323A
Supplier stock checked 11/7/2026, 3:24:15 PM UTC. Adding a part does not reserve it.
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Product details
The Mishimoto Performance Aluminum Radiator for BMW E46 non-M vehicles is designed and engineered to reduce coolant temperatures by 19 F (10.5 C), and to protect your car from overheating during aggressive driving or hot lapping sessions. It is the ideal upgrade for your 3-series, and will outlast the weak stock plastic radiators. The Mishimoto E46 non-M radiator features a large two-row core, 100% brazed aluminum construction, and polished end tanks, resulting in greatly improved cooling efficiency for your engine. The engineers at Mishimoto designed this radiator to feature a 20% increase in coolant capacity over the stock radiator. The Mishimoto radiator also improves coolant surface are by 18% and air surface area by 41%. This aluminum radiator is an ideal upgrade to keep your E46 running cool! This innovative radiator design features CNC inlets and outlets that work perfectly with your stock plastic quick-disconnect Mishimoto E46 Non-M Radiator Hoses! The Mishimoto radiator comes in two separate versions for manual and automatic transmissions; with the automatic transmission model featuring an auxiliary inlet port for the stock automatic transmission cooler connection. Every Mishimoto aluminum radiator is a direct-fit making installation effortless. This radiator includes the Mishimoto Lifetime Warranty, ensuring superb product quality and craftsmanship. The Mishimoto Performance Aluminum Radiator for BMW E46 non-M vehicles is designed and engineered to reduce coolant temperatures by 19 F (10.5 C), and to protect your car from overheating during aggressive driving or hot lapping sessions. It is the ideal upgrade for your 3-series, and will outlast the weak stock plastic radiators. The Mishimoto E46 non-M radiator features a large two-row core, 100-percent brazed aluminum construction, and polished end tanks, resulting in greatly improved cooling efficiency for your engine. The engineers at Mishimoto designed this radiator to feature a 20-percent increase in coolant capacity over the stock radiator. The Mishimoto radiator also improves coolant surface are by 18-percent and air surface area by 41-percent. This aluminum radiator is an ideal upgrade to keep your E46 running cool! This innovative radiator design features CNC inlets and outlets that work perfectly with your stock plastic quick-disconnect Mishimoto E46 Non-M Radiator Hoses! The Mishimoto radiator comes in two separate versions for manual and automatic transmissions with the automatic transmission model featuring an auxiliary inlet port for the stock automatic transmission cooler connection. Every Mishimoto aluminum radiator is a direct-fit making installation effortless. This radiator includes the Mishimoto Lifetime Warranty, ensuring superb product quality and craftsmanship. Aluminum radiator engineered for efficient heat dissipation and optimal engine cooling. Precision-fit design ensures easy installation, corrosion resistance, and reliable performance across varied driving conditions. Performance Aluminum Radiator, fits BMW E46 Non-M Automatic 1999-2006 BMW E46 Non-M Performance Aluminum Radiator
Manufacturer fitment & guides
- 2000 BMW 323Ci Base 2.5 Liter 5HP-19, 2000 BMW 323Ci Base 2.5 Liter 5L40-E, 1999 BMW 323i Base 2.5 Liter 4L30-E, 2000 BMW 323i Base 2.5 Liter 5HP-19, 1999-2000 BMW 323i Base 2.5 Liter 5L40-E, 1999 BMW 323is Base 2.5 Liter 4L30-E, 2001-2005 BMW 325Ci Base 2.5 Liter 5HP-19, 2003-2005 BMW 325Ci Base 2.5 Liter 5L40-E, 2001-2005 BMW 325i Base 2.5 Liter 5HP-19, 2001-2005 BMW 325i Base 2.5 Liter 5L40-E, 2001-2005 BMW 325xi Base 2.5 Liter 5L40-E, 2000 BMW 328Ci Base 2.8 Liter 5HP-19, 2000 BMW 328Ci Base 2.8 Liter 5L40-E, 1999 BMW 328i Base 2.8 Liter 4L30-E, 2000 BMW 328i Base 2.8 Liter 5HP-19, 1999-2000 BMW 328i Base 2.8 Liter 5L40-E, 1999 BMW 328is Base 2.8 Liter 4L30-E, 2001-2003 BMW 330Ci Base 3.0 Liter 5HP-19, 2003-2006 BMW 330Ci Base 3.0 Liter 5L40-E, 2001-2003 BMW 330i Base 3.0 Liter 5HP-19, 2003-2005 BMW 330i Base 3.0 Liter 5L40-E, 2006 BMW 330i Base 3.0 Liter A6HP19Z, 2001-2005 BMW 330xi Base 3.0 Liter 5L40-E, 2006 BMW 330xi Base 3.0 Liter GA6HP19Z
- Manufacturer-supplied application summary from Turn14; this may not be an exhaustive fitment list.
Part-specific notes
- California Proposition 65: Y
