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Mishimoto 99-06 BMW 323i/323i/328i/330i w/ Auto Transmission Performance Aluminum Radiator

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$379.95
$379.95 $418.00
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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.

Installation Instructions
  • 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

This Part Fits:

Year Make Model Submodel
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
2001-2005 BMW 330i Base
2001-2005 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
2009 BMW Z4 sDrive35i
Mishimoto 99-06 BMW 323i/323i/328i/330i w/ Auto Transmission Performance Aluminum Radiator

$379.95

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    The product I bought exceeded my expectations. Top-notch quality, thoughtful design, and it came beautifully packaged.

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    San Francisco, California

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    Portland, Oregon

  • Great value

    Really pleased with the quality for the price. The product felt premium, worked perfectly out of the box, and was well packaged.

    Jamie Carter
    Manchester, England

Can I return a part after it has been installed?

Generally, installed or used performance parts cannot be returned. We strongly recommend verifying vehicle fitment and inspecting the product before installation.

Can I cancel my order after it has been placed?

We begin processing orders as quickly as possible. If you need to cancel, contact us immediately. Once an order has entered fulfillment, been submitted to a supplier, or shipped, cancellation may no longer be possible.

Will this part fit my vehicle?

Fitment varies by year, make, model, trim, engine, and drivetrain. Use our vehicle fitment information to confirm compatibility. If you're unsure, contact us with your VIN and we'll help verify fitment before you order.

How do I know if this is the right upgrade for my build?

Not every upgrade makes sense for every vehicle or build. Tell us your vehicle, current modifications, and performance goals, and we'll help determine whether this product is a good fit.

Are the products you sell authentic?

Yes. We source products through established manufacturers and authorized distribution channels. We do not sell counterfeit or imitation performance parts.

Is professional installation recommended?

For most performance components, yes. Proper installation is critical for fitment, reliability, and performance. Some products may also require specialized tools, programming, tuning, or additional supporting modifications.