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

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.

-   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

## Details

- **Price:** 546.33 CAD
- **Vendor:** Mishimoto
- **Type:** Radiators

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 546.33 CAD | In stock |

## Images

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/mishimoto-99-06-bmw-323i-323i-328i-330i-w-auto-transmission-performance-aluminum-radiator)
> Updated: 2026-06-28