DO88 S58 Transmission Cooler Powerflex track days or inspired street

track days or inspired street usage

G80 M3 2021 - Present (Femto unlock required)

Fits without any vehicle modifications

25” (57mm) intercooler pipes with smooth routing

With methods like relay attacks or OBD access

DO88 S58 Transmission Cooler Powerflex track days or inspired streetImprove transmission durability and cooling on track and road with do88s upgraded transmission cooler designed to handle the extra heat generated by tuned G8X models without compromising shift speed or gearbox life. Overheating Risks in Tuned G8X Cars The ZF 8HP automatic transmission fitted to the G87 M2, G80 M3, and G82 M4 is impressively capable but like many OEM parts, its cooling system was not designed for extended track use or heavy tuning.