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Mishimoto 2021+ BMW M3/ M4 G8X Automatic Performance Heat Exchanger

SKU: MISMMHE-G80-21AT

Heat Exchangers

MM Heat Exchangers...

Mishimoto 2021+ BMW M3/ M4 G8X Automatic Performance Heat Exchanger

SKU: MISMMHE-G80-21AT

Heat Exchangers

MM Heat Exchangers...

A$1,831.88
LOW STOCK! Est Ship 3-5 days. In stock at 1 location (2 available)

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Description

Exclusive Mishimoto flash sale discount at StreetFX!

Talk about timing! This is a limited offer while stocks last on various Mishimoto part numbers. There's never been a better time to buy your Mishimoto upgrades, so what are you waiting for?!

This item is currently on sale!

Same-day payment required to secure promotional price. Promotions may end early or be extended based on stock levels or other factors.

Mishimoto 2021+ BMW M3/ M4 G8X Automatic Performance Heat Exchanger

Introducing the Mishimoto 2021+ BMW G8X M2/M3/M4 performance heat exchanger, the ultimate solution to keep your charge air cool under the most demanding conditions. In the world of forced induction vehicles, air-to-water intercooling is the future, and Mishimoto are taking it to the next level.----We started from scratch, leaving no room for compromise. Our design eliminates all plastic components, replacing them with durable aluminum end tanks, core, and CNC-machined ports. TIG-welded for maximum strength and longevity, this heat exchanger will withstand even the harshest conditions. We took it further by incorporating strutted tubes within the core, adding unparalleled resistance against bowing and flexing during aggressive cornering.----But strength is not our only focus. We've increased the core volume by 23 percent and expanded the external fin surface area by 44 percent. Combined with our dual-pass flow configuration and louvered fin design, this performance heat exchanger vastly improves cooling capacity over stock, enhancing overall performance.----Rest assured, the Mishimoto Performance Heat Exchanger for the 2021+ BMW G8X M2/M3/M4 is designed to fit perfectly with all other factory components, ensuring seamless integration into your vehicle. For added protection, we include steel rock guards to shield the heat exchanger from debris and prevent punctured tubes or crushed fins. The Mishimoto G8X M2/M3/M4 performance heat exchanger fits both automatic and manual transmissions.----The Mishimoto 2021+ BMW G8X M2/M3/M4 performance heat exchanger comes with our renowned Mishimoto Lifetime Warranty, giving you peace of mind and confidence in your investment. Upgrade your BMW G8X M2/M3/M4 with the Mishimoto Heat Exchanger and experience the true power of cooling efficiency.

Additional Information

High-performance component designed to enhance thermal efficiency, durability, and reliability under demanding conditions. Engineered to support optimal temperature control and system performance across applications.

Part Type

Turbocharger Heat Exchanger

Data: v4.2 - Upd: 2026-11-09 11:29:44

Features

  • 23 percent increase in core volume improves cooling capacity
  • 44 percent increase in external fin surface area for greater heat transfer
  • Fits 2021+ BMW G8X M2/M3/M4

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:Mishimoto 2021+ BMW M3/ M4 G8X Automatic Performance Heat Exchanger
Grade Type:Performance
Install Difficulty:3
OptionLabel:Automatic Transmission
Part Number:misMMHE-G80-21AT
Feature 1:Fits 2021+ BMW G8X M2/M3/M4
Feature 2:23 percent increase in core volume improves cooling capacity
Feature 3:44 percent increase in external fin surface area for greater heat transfer
Feature 4:Dual-pass design for maximum cooling
Feature 5:Strutted tubes incorporated in core for maximum durability
Feature 6:CNC-machined inlet and outlet for leak-free running
Feature 7:Includes removable steel rock guards for additional durability
Feature 8:Mishimoto Lifetime Warranty
TechSpec Applications:BMW M2 I6 3.0L Twin-Turbo 2023--BMW M3 I6 3.0L Twin-Turbo 2021+--BMW M3 Competition I6 3.0L Twin-Turbo 2021+--BMW M4 I6 3.0L Twin-Turbo 2021+--BMW M4 Competition I6 3.0L Twin-Turbo 2021+
TechSpec Chassis Codes:G80--G82--G83--G87
TechSpec Core Height (in):19.52
TechSpec Core Length (in):24.21
TechSpec Core Thickness (in):1.65
TechSpec Engine Codes:S58B30
TechSpec Fluid Capacity (gal):0.51
TechSpec Includes:(1) Performance Aluminum Heat Exchanger--(1) Upper Rock Guard--(1) Lower Rock Guard (MT Only)--(1) Hardware Pack--Mishimoto Lifetime Warranty
TechSpec Material:6061-Aluminum
TechSpec Note:Requires removal of passenger side stock rock guard tab. Please refer to step 11 of the installation guide for more details
TechSpec Overall Height (in):20.17
TechSpec Overall Length (in):28.66
TechSpec Overall Width (ins):2.78

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:54:40

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Mishimoto
StreetFX SKU misMMHE-G80-21AT
SFX Item ID 4051711
Accounting SKU mis-MMHE-G80-21AT
Manufacturer SKU MMHE-G80-21AT
Manufacturer UPC 840197718414
Alternative References MIMMMHE-G80-21AT, MIO-MMHEG8021AT, MMHE-G80-21AT

2021+ BMW G8X M3/M4 Performance Heat Exchanger, Automatic

Product Attributes
BrandMishimoto
Manufacturer's Part NumberMMHE-G80-21AT
Part TypeHeat Exchangers
UPC00840197718414

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