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

This Mishimoto performance heat exchanger is a direct-fit upgrade for 2021-2027 BMW applications covering M2, M3, M3 CS, M3 Competition, M4. It replaces the weak points of the stock part with stronger materials and better flow or cooling so heat, boost and abuse stay under control on street and track duty. AutoTalent lists verified US-market fitment in the table below.

Why upgrade

Introducing the Mishimoto 2021+ BMW G8X 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. These kits are engineered around real chassis packaging, so hoses, coolers and adapters line up without fabrication on the listed years. Follow the published torque specs and install guide, reuse sensors where instructed, and confirm clearances if you run other supporting mods. Every unit ships with the Mishimoto Lifetime Warranty for as long as you own it.

Features

• Fits 2021+ BMW G8X M2/M3/M4*
• 23 percent increase in core volume improves cooling capacity
• 44 percent increase in external fin surface area for greater heat transfer
• Dual-pass design for maximum cooling
• Strutted tubes incorporated in core for maximum durability
• CNC-machined inlet and outlet for leak-free running
• Includes removable steel rock guards for additional durability

What's Included

• (1) Performance Aluminum Heat Exchanger
• (1) Upper Rock Guard
• (1) Lower Rock Guard (MT Only)
• (1) Hardware Pack
• Mishimoto Lifetime Warranty

Specifications

Fitment Notes

Verified against Mishimoto US applications and dealer listing for 2021-2027 (7 rows). Years extended to 2027 where the US model remains in production.

Vehicle Fitment