do88 Transmission Cooler – BMW G80 M3 / G82 M4 / G87 M2 (S58)

The do88 Transmission Cooler for BMW G80 M3, G82 M4, and G87 M2 is engineered to significantly improve transmission temperature control under demanding driving conditions.

Designed for vehicles equipped with the ZF 8HP automatic transmission, this upgraded cooler addresses the limitations of the factory cooling system—especially in tuned or track-driven vehicles where heat buildup can compromise performance and reliability.

Performance Benefits

• Improved transmission temperature stability
• Maintains optimal gearbox performance under load
• Prevents heat-related performance degradation
• Enhances reliability during high-performance driving

Engineering & Design

• 71% increase in core volume
• 50% larger active cooling surface area
• 42% increase in oil capacity (8.5 dl vs 6 dl OEM)
• Dual-pass design for extended cooling time
• Harmonically structured internal tubes for optimal flow

Technical Features

• Dual-pass cooling system for maximum heat dissipation
• Harmonical tube structure for increased surface contact
• OEM-style quick-connect fittings
• Maintains proper oil pressure characteristics

Installation

• Direct drop-in fit
• No modifications required
• Designed for seamless OEM integration
• Installation instructions included

Driving & Reliability Benefits

• Prevents overheating under track or aggressive driving
• Maintains consistent gear shift performance
• Reduces risk of transmission damage
• Essential upgrade for tuned S58 platforms

Important Notes

• Hardware component only
• ECU tuning not included
• Professional installation recommended
• Performance improvements depend on driving conditions and setup

Image for illustration purposes only.