MMX Performance | DCT transmission oil cooler | BMW E9x M3

At PERON Automotive, we understand the importance of keeping drivetrain temperatures in check—especially under high-stress conditions. That’s why we recommend the MMX Performance Transmission Oil Cooler as a vital upgrade for the BMW E9x M3 with DCT transmission.

Whether your M3 is supercharged, tuned, or simply pushed hard on track days, the factory DCT cooler often struggles to maintain stable temperatures. The MMX cooler is engineered to provide vastly improved thermal efficiency, reducing the risk of heat soak and protecting your gearbox during everything from aggressive circuit use to heavy traffic.

It’s a direct upgrade designed to integrate with your existing setup, improving gearbox oil cooling without compromising fitment or reliability.

Key Features:

• Designed for the BMW E9x M3 (DCT transmission)

• Significantly improves DCT oil cooling under load

• Ideal for track-driven, supercharged, or high-performance applications

• Helps prevent heat-related transmission wear and limp mode

• Enhances long-term gearbox reliability and performance

Whether you're stuck in traffic or pushing hard through every gear on track, the MMX DCT Transmission Oil Cooler ensures your E9x M3 runs cooler, safer, and stronger.