RacingLab Transmission Oil Cooler - BMW G-Series (B58) & Toyota GR Supra A90

The Racing Lab High-Performance Transmission Oil Cooler is designed for tuned and track-driven BMW G-Series B58 and Toyota GR Supra A90/A91 vehicles, providing increased transmission cooling capacity while retaining full OEM-style fitment.

+150% Core Thickness

OEM Core Thickness: Approx. 16 mm
Racing Lab Core Thickness: 40 mm
Increase: +150%

The larger 40 mm aluminium core provides increased heat-exchange volume and thermal capacity, helping manage transmission temperatures during sustained high-load driving, repeated track sessions and higher-output applications.

Direct OEM Replacement

Designed as a true direct-fit upgrade using the factory mounting position and original installation points.

• No cutting required
• No drilling required
• No fabrication required
• No vehicle modification required
• Retains factory mounting locations
• Designed to connect with the original transmission cooling system

Key Features

• 40 mm high-performance aluminium core
• +150% core thickness compared with OEM
• OEM-style direct-fit installation
• Uses factory mounting position
• Increased heat-exchange volume
• Improved transmission thermal management
• Helps reduce heat build-up during repeated high-load operation
• Suitable for tuned and higher-torque B58 applications
• Designed for street, track and circuit use

Recommended For

• Track and circuit vehicles
• Stage 2 and higher-power B58 applications
• Upgraded turbo setups
• Transmission-tuned vehicles
• High ambient temperature operation
• Repeated high-load driving

Vehicle Compatibility:
Toyota GR Supra A90 / A91 B58 Automatic
Compatible BMW G-Series B58 applications with supported ZF 8HP transmission cooling systems.

The +150% figure refers specifically to the increase in cooling core thickness from approximately 16 mm OEM to 40 mm Racing Lab.