Mishimoto Performance Heat Exchanger, Compatible with BMW G8X M3/M4 2021+

Fits 2021+ BMW G8X M2/M3/M4* *Requires removal of passenger side stock rock guard tab. 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 Mishimoto Lifetime Warranty