The Racing Lab Transmission Oil Cooler is designed to improve thermal stability and transmission reliability for BMW G-Series (B58) and Toyota GR Supra A90 under high-performance driving conditions.
Featuring an upgraded core design, the system provides approximately 30% greater cooling surface area compared to the factory cooler, improving heat dissipation efficiency and maintaining stable transmission temperatures under load.
The increased cooling capacity helps reduce thermal stress, stabilise gear performance, and extend the lifespan of both transmission fluid and internal components—making it a reliable upgrade for street, track, and performance applications.
Key Features
- Larger core design with ~30% increased cooling surface area
- Improves heat dissipation efficiency under load
- Enhances transmission thermal stability
- Helps prevent overheating and fluid degradation
- Supports consistent gear shift performance
- Extends transmission and fluid lifespan
- Direct-fit for BMW G-Series (B58) & Toyota GR Supra A90
- Suitable for street and track use
All Racing Lab performance parts are covered by a 1-year limited warranty against manufacturing defects and workmanship issues.
Every component is rigorously inspected to ensure quality and reliability, so you can upgrade your vehicle with confidence. If any issues arise, our support team is ready to assist with fast and hassle-free warranty claims.
We accept returns under the following strict conditions:
Restocking Fee: A 20% restocking fee (deducted from the product purchase price) applies to all returned items.
Item Condition: Returned items must show no signs of use, installation, or wear.
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