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

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

SKU: MISMMRAD-E46-323A

Radiators

MM Radiators - Alum

Mishimoto

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

SKU: MISMMRAD-E46-323A

Radiators

MM Radiators - Alum

Sale ends in Calculating... Wed 14 Oct, 11:07 am AEST

LOW STOCK! Est Ship 3-5 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.

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Description

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.

Product Overview

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.

Features and Benefits

Direct fit for the 1999-2006 BMW E46 Non-M vehicles
Installs in one hour
Reduces coolant temperatures by 19 F (10.5 C) compared to the stock radiator
Fully brazed aluminum core with TIG-welded end tanks
40mm, 2-row core

Product Details

Alternate Part Number:	MMRADE46323A
Color:	Silver
Core Size:	22.88in x 17.75in x 1.50in
Description:	BMW E46 Non-M Performance Aluminum Radiator
Feature Bullet 1:	Direct fit for the 1999-2006 BMW E46 Non-M vehicles
Feature Bullet 2:	Installs in one hour
Feature Bullet 3:	Reduces coolant temperatures by 19 F (10.5 C) compared to the stock radiator
Feature Bullet 4:	Fully brazed aluminum core with TIG-welded end tanks
Feature Bullet 5:	40mm, 2-row core
Finish:	Polished
Install Difficulty:	3
Installation Difficulty:	3/5
Material:	Aluminum
OptionLabel:	Automatic Transmission
Part Number:	misMMRAD-E46-323A
SellingPoint01:	Direct fit for the 1999-2006 BMW E46 323i / 325i / 328i / 330i
SellingPoint02:	Installs in one hour
SellingPoint03:	Reduces coolant temperatures by 19F (10.5C) compared to the stock radiator
SellingPoint04:	Fully brazed aluminum core with TIG-welded end tanks
SellingPoint05:	Precision designed CNC-machined quick-disconnect fittings mate perfectly with stock hoses and Mishimoto BMW E46 Non-M Silicone Radiator Hoses
SellingPoint06:	18-percent increase in coolant surface area
SellingPoint07:	41-percent increase in air surface area
SellingPoint08:	20-percent increase in coolant capacity
SellingPoint09:	Fits perfectly with stock electric fan and Mishimoto BMW E46 Non-M Performance Fan Shroud
SellingPoint10:	Fits with the stock or the upcoming Mishimoto aluminum expansion tank
SellingPoint11:	Mishimoto Lifetime Warranty
SellingPoint12:	N/A
SellingPoint13:	N/A
SellingPoint14:	N/A
SellingPoint15:	N/A
TechSpec Applications:	1999-2000 BMW 328i (E46, all bodies)--1999-2000 BMW 323i (E46, all bodies)--2001-2005 BMW 325i (E46, all bodies)--2001-2006 BMW 330i (Including ZHP Models)
TechSpec Chassis Codes:	E46
TechSpec Core Height (in):	17.75
TechSpec Core Length (in):	22.88
TechSpec Core Thickness (in):	1.5
TechSpec DPI:	N/A
TechSpec Drain Plug Thread Size:	M12 x 1.5
TechSpec Engine Codes:	N/A
TechSpec Fluid Capacity (gal):	2.51
TechSpec Includes:	Mishimoto Radiator-- Magnetic Drain Plug--Mounting Hardware--Lifetime Warranty
TechSpec Inlet (in):	1.5
TechSpec Material:	Aluminum
TechSpec Note:	N/A
TechSpec Outlet (in):	1.3
TechSpec Overall Height (in):	27.75
TechSpec Overall Length (in):	18.63
TechSpec Overall Width (ins):	3.75
TechSpec Rows:	2

Application Summary

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

Part Type

Radiator

Data: v4.2 - Upd: 2026-10-11 01:13:22

Features

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

Specifications

Product Attributes - Brand: Mishimoto
Product Attributes - Manufacturer's Part Number: MMRAD-E46-323A
Product Attributes - Part Type: Radiators
Product Attributes - Product Line: Mishimoto Performance Radiators
Product Attributes - UPC: 748354023657
Product Attributes - Radiator Material: Aluminum
Product Attributes - Radiator Style: Crossflow
Product Attributes - Transmission Cooler: No
Product Attributes - Inlet Location: Upper driver side
Product Attributes - Outlet Location: Lower passenger side
Product Attributes - Overall Width (in.): 18.63 in.
Product Attributes - Overall Height (in.): 27.75 in.
Product Attributes - Overall Thickness (in.): 3.75 in.
Product Attributes - Row Quantity: 2
Product Attributes - Radiator Finish: Natural
Product Attributes - Core Width (in.): 22.88 in.
Product Attributes - Core Height (in.): 17.75 in.
Product Attributes - Core Thickness (in.): 1.50 in.
Product Attributes - Radiator Inlet Size: 1.500 in.
Product Attributes - Radiator Outlet Size: 1.300 in.
Product Attributes - Trans Cooler Adapter Fittings Included: No
Product Attributes - Fan Included: No
Product Attributes - Radiator Cap Included: No
Product Attributes - Quantity: Sold individually.

Reference Information

Brand Name/s	Mishimoto
StreetFX SKU	misMMRAD-E46-323A
SFX Item ID	4050437
Supplier Item Code	4050437
Manufacturer SKU	MMRAD-E46-323A
Manufacturer UPC	748354023657
Alternative References	mio-mmrade46323a, MIMMMRAD-E46-323A, 323i/323i/328i/330i