Wagner Tuning Competition Transmission Oil-Cooler Kit for G8x BMW M3 / M4 (with automatic gearbox)

The Wagner Tuning Competition Transmission Oil-Cooler Kit for the G8x BMW M3 and M4 with automatic gearbox is engineered to enhance reliability and performance for vehicles powered by the S58 engine. Designed for demanding street and track use, this system delivers significantly improved cooling efficiency to help keep transmission oil temperatures within the optimal range, even under extreme driving conditions. By reducing thermal stress on the automatic transmission, the kit supports consistent shift performance, improved durability, and greater confidence during high-load operation, making it an essential upgrade for enthusiasts who push their G8x M3 or M4 to its limits.

Why the Wagner Tuning Competition Transmission Oil-Cooler is the Best Choice for Your M3 / M4

• Wagner Tuning engineers the Competition Transmission Oil-Cooler Kit with a significantly increased cooling surface area, featuring an 81.6% larger frontal inflow area to promote more efficient heat exchange. A 93.6% increase in internal mesh volume further enhances heat dissipation, helping maintain stable transmission oil temperatures even under sustained high loads. Developed specifically for performance-oriented vehicles, the system delivers consistent and optimal oil cooling to support stable oil pressure and extend transmission service life. Designed with a plug-and-play layout, the kit allows for quick, straightforward installation so the vehicle can return to operation with minimal downtime.

Features

• Competition-grade transmission oil cooler design
• Black coated
• 81.6% increase in frontal cooling surface area
• 93.6% larger internal mesh volume
• Maintains stable transmission oil temperatures under high load
• Supports consistent oil pressure during aggressive driving
• Designed specifically for high-performance and track-focused vehicles
• Helps extend automatic transmission service life
• Plug-and-play installation
• Optimized for extreme driving conditions
• Made in Germany

What’s Included

• Oil cooler (black coated)
• Mounting material

Applications

• BMW M3: G80, G81 | 2021-present | S58 3.0L I6 twin-turbo
• BMW M4: G82, G83 | 2021-present | S58 3.0L I6 twin-turbo

Notes

• Only for cars with automatic gearbox
• Installation instructions

About Wagner Tuning

Wagner Tuning is a Germany-based performance engineering brand specializing in high-efficiency charge-air cooling and intake solutions for modern turbocharged vehicles. Known for its competition-proven intercoolers and precision-manufactured components, Wagner Tuning combines advanced R&D, CFD analysis, and rigorous testing to deliver measurable performance gains, improved thermal stability, and long-term reliability. With a strong focus on motorsport-inspired engineering and OEM-level fit and finish, Wagner Tuning products are designed to support both high-performance street driving and demanding track use across a wide range of European and international platforms.