Mishimoto Performance Heat Exchanger, two black finned units, front view
Mishimoto Performance Heat Exchanger, silver core, dark panel, logo
Mishimoto Performance Heat Exchanger, silver core, dark panel, stone guard callout
Mishimoto Performance Heat Exchanger, label plate, logo, close up
Mishimoto Performance Heat Exchanger, core end tank, fitting, close up
Mishimoto Performance Heat Exchanger, silver core, dark logo, front view
Mishimoto Performance Heat Exchanger, silver core, plain face, front view
Mishimoto Performance Heat Exchanger, small plate core, front view
Mishimoto Performance Heat Exchanger, two black finned units, front view
Mishimoto Performance Heat Exchanger, silver core, dark panel, logo
Mishimoto Performance Heat Exchanger, silver core, dark panel, stone guard callout
Mishimoto Performance Heat Exchanger, label plate, logo, close up
Mishimoto Performance Heat Exchanger, core end tank, fitting, close up
Mishimoto Performance Heat Exchanger, silver core, dark logo, front view
Mishimoto Performance Heat Exchanger, silver core, plain face, front view
Mishimoto Performance Heat Exchanger, small plate core, front view

Mishimoto Performance Heat Exchanger - BMW G8X M2 / M3 / M4 Automatic 2021-2026

Mishimoto SKU: MISMMHE-G80-21AT
Price
9% OFF
In Stock – Ready to Ship
Make sure this fits your vehicle Select your vehicle to confirm fitment before you order. Check
Shipping calculated at checkout.

Details

BrandMishimoto
SKUMISMMHE-G80-21AT
GTIN / UPC840197718414
Manufacturer Part NumberMMHE-G80-21AT

Product Information

Air-to-water heat exchanger for the 2021+ BMW G8X M2, M3 and M4 with automatic transmission, engineered to keep charge air cool under hard use. The all-aluminum design replaces every plastic component with aluminum end tanks, core and CNC-machined ports, TIG-welded for strength, with strutted tubes that resist bowing and flexing during aggressive cornering. A 23 percent larger core volume and 44 percent more external fin surface area, combined with a dual-pass flow configuration and louvered fins, raise cooling capacity well above stock. Steel rock guards are included to protect the core from debris.

Specifications

Type Performance air-to-water heat exchanger
Material All-aluminum, TIG-welded, with CNC-machined ports
Core 23% larger core volume; 44% more external fin surface area; dual-pass, louvered fins
Included Steel rock guards
Fit Direct fit (automatic transmission)
Overall Length 28.66 in
Overall Height 20.17 in
Core Length 24.21 in
Core Height 19.52 in
Core Thickness 1.65 in
Coolant Capacity 0.51
Fluid Capacity 0.51 gal
Engine S58B30
Chassis Codes G80 G82 G83 G87
Fitment Notes *Requires removal of passenger side stock rock guard tab. Please refer to step 11 of the installation guide for more details
Part Number MMHE-G80-21AT
Warranty Mishimoto Lifetime Warranty

This part fits:

Year Make Model Submodel
2023-2026 BMW M2 Base
2021-2024 BMW M3 Base
2024 BMW M3 CS
2021-2025 BMW M3 Competition
2022-2025 BMW M3 Competition xDrive
2021-2026 BMW M4 Base
2025 BMW M4 CS
2023 BMW M4 CSL
2021-2023, 2025-2026 BMW M4 Competition
2022-2026 BMW M4 Competition xDrive

Which vehicles does this fit?

  • It fits the BMW M2 2023-2026, BMW M3 2021-2025, BMW M4 2021-2026. The full year, make, model and submodel list is in the fitment table on this page. *Requires removal of passenger side stock rock guard tab. Please refer to step 11 of the installation guide for more details.

What comes in the box?

  • Steel rock guards.

Is there a warranty?

  • Mishimoto Lifetime Warranty.

What is it made of?

  • All-aluminum, TIG-welded, with CNC-machined ports.

Shipping

  • In stock orders typically ship within 1 to 3 business days.
  • Standard, expedited, and overnight options at checkout.
  • Oversized items ship by freight and take longer.
  • Special order items follow a lead time we confirm with you individually before the order is committed.
  • Backordered items ship as soon as stock lands. Lead times are manufacturer estimates and can change. Contact us for current ETAs.
  • Need to cancel? Email us right away. Cancellations are not guaranteed once an order is in process. In-stock orders cancel free before they ship; a 6% fee applies only to confirmed backorders and special orders.
  • International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

  • 30 days from delivery to request and ship back a return on new, uninstalled items in original packaging with all hardware.
  • Standard returns: 8% restocking fee on the item price before tax and shipping. Shipping is not refunded in either direction. All waived if the item is defective or we made the error.
  • Fitment guaranteed: select your vehicle above, or confirm fitment with us in writing before you order. If the part shows as a fit and it is wrong, the return is on us, even after installation. Otherwise, installed or used parts cannot be returned.
  • Final sale: special orders, coilovers, electronics, engine internals, turbochargers, superchargers and turbo kits, unless defective or we sent the wrong item.
  • Product images may be representative. The SKU and specifications in the listing are what ships.
  • Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Returns & Refunds · Warranty
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