Mishimoto Transmission Cooler - BMW G8X M3/M4 Transmission Cooler 2021-2026

Mishimoto SKU: MISMMTC-G80-21
Price
Regular price $599.95
Regular price $660.00 Sale price $599.95
9% OFF
In Stock – Ready to Ship
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The Mishimoto performance transmission cooler for the 2021+ BMW G8X M2, M3, and M4 keeps the ZF 8HP transmission at optimal temperature behind the S58 engine, important once a tune and bolt-ons push more torque than the stock cooler can handle, which can otherwise cause high oil temps, sluggish shifts, and transmission damage. It delivers a 41% increase in core volume and 17% greater fluid capacity, with internal cooling fins for more fluid-contact surface area and a dual-pass design that keeps fluid in the cooler longer to remove more heat without reducing airflow to components behind it.

Specifications

Type Performance transmission cooler
Platform BMW G8X (M2 / M3 / M4), ZF 8HP
Core Dual-pass, internal cooling fins
vs. Stock +41% core volume, +17% fluid capacity
Part Number MMTC-G80-21
Warranty Mishimoto Lifetime Warranty

This part fits:

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

Shipping

  • Orders placed before 3 PM EST typically ship the same business day. Larger items 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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