Mishimoto Performance Aluminum Radiator for BMW E46 99-06 323i, 328i, 330i - Part MMRAD-E46-323

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. 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.

• Reduces coolant temperatures by 19F (10.5C) compared to the stock radiator
• Fully brazed aluminum core with TIG-welded end tanks
• Installs in one hour

Upgrade your BMW E46 with the Mishimoto Performance Aluminum Radiator, designed specifically for 1999 to 2006 323i, 328i, and 330i models. This radiator is engineered to significantly improve cooling efficiency, reducing coolant temperatures by up to 19°F (10.5°C) during aggressive driving or hot lap sessions. Its large two-row core, fully brazed with TIG welds, ensures enhanced heat dissipation and durability compared to the factory plastic radiators. The polished aluminum end tanks and precision CNC inlets and outlets make installation straightforward and seamless, ensuring a perfect fit with your stock hoses. The Mishimoto radiator features a 20% increase in coolant capacity, boosting coolant surface area by 18% and air surface area by 41%, providing better thermal management for high-performance driving conditions. It is available in two versions—manual and automatic transmission models—with the latter equipped with an auxiliary inlet port for the stock transmission cooler connection. Designed for effortless installation, this radiator installs in approximately one hour and includes Mishimoto’s lifetime warranty, guaranteeing long-lasting quality and performance. Constructed from corrosion-resistant aluminum, this upgrade not only improves cooling but also extends the lifespan of your cooling system. Whether you're track racing or daily driving, the Mishimoto aluminum radiator offers a reliable solution to keep your BMW running cool and prevent overheating issues associated with factory units.

Features:

• Reduces coolant temperatures by 19°F (10.5°C) compared to the stock radiator

• Fully brazed aluminum core with TIG-welded end tanks for durability

• Increases coolant capacity by approximately 20% for improved thermal management

• Polished aluminum end tanks with CNC machined inlets and outlets for precise fitment

• Compatible with stock Mishimoto E46 radiator hoses and quick-disconnects

• Available in manual and automatic transmission versions, with auxiliary port for auto models

• Easy installation, typically completed within one hour

• Corrosion-resistant aluminum construction for longevity

• Designed to withstand demanding driving conditions and prevent overheating

Fitment:
1999 BMW 323i Base
1999 BMW 323is Base
1999 BMW 328i Base
1999 BMW 328is Base
2000 BMW 323Ci Base
2000 BMW 323i Base
2000 BMW 328Ci Base
2000 BMW 328i Base
2001 BMW 325Ci Base
2001 BMW 325i Base
2001 BMW 325xi Base
2001 BMW 330Ci Base
2001 BMW 330i Base
2001 BMW 330xi Base
2002 BMW 325Ci Base
2002 BMW 325i Base
2002 BMW 325xi Base
2002 BMW 330Ci Base
2002 BMW 330i Base
2002 BMW 330xi Base
2003 BMW 325Ci Base
2003 BMW 325i Base
2003 BMW 325xi Base
2003 BMW 330Ci Base
2003 BMW 330i Base
2003 BMW 330xi Base
2003 BMW Z4 2.5i
2003 BMW Z4 3.0i
2004 BMW 325Ci Base
2004 BMW 325i Base
2004 BMW 325xi Base
2004 BMW 330Ci Base
2004 BMW 330i Base
2004 BMW 330xi Base
2004 BMW Z4 2.5i
2004 BMW Z4 3.0i
2005 BMW 325Ci Base
2005 BMW 325i Base
2005 BMW 325xi Base
2005 BMW 330Ci Base
2005 BMW 330i Base
2005 BMW 330xi Base
2005 BMW Z4 2.5i
2005 BMW Z4 3.0i
2006 BMW 325Ci Base
2006 BMW 330Ci Base
2006 BMW Z4 Coupe 3.0si
2006 BMW Z4 M Coupe
2006 BMW Z4 M Roadster
2006 BMW Z4 Roadster 3.0i
2006 BMW Z4 Roadster 3.0si
2007 BMW Z4 Coupe 3.0si
2007 BMW Z4 M Coupe
2007 BMW Z4 M Roadster
2007 BMW Z4 Roadster 3.0i
2007 BMW Z4 Roadster 3.0si
2008 BMW Z4 Coupe 3.0si
2008 BMW Z4 M Coupe
2008 BMW Z4 M Roadster
2008 BMW Z4 Roadster 3.0i
2008 BMW Z4 Roadster 3.0si
2009 BMW Z4 sDrive30i
2009 BMW Z4 sDrive35i

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1