do88 Transmission Cooler

2020–2026 Toyota GR Supra MK5 (A90) / BMW G-Series B58

Part #: OC-190

Overview

The do88 Transmission Cooler is a high-performance cooling solution designed specifically for the 2020–2026 Toyota GR Supra MK5 (A90) and BMW G-Series models equipped with the B58 engine. This transmission cooler helps maintain optimal transmission fluid temperatures under demanding driving conditions, enhancing transmission longevity and reliability. Ideal for enthusiasts who push their vehicles hard on the street or track, the do88 cooler provides improved heat dissipation to prevent overheating and reduce wear on transmission components.

By efficiently managing transmission temperatures, this cooler supports consistent shifting performance and helps avoid costly transmission repairs caused by excessive heat. Whether you are upgrading your vehicle for spirited driving or seeking added durability for daily use, the do88 transmission cooler is engineered to meet the needs of modern turbocharged powertrains.

Key Features

Engineered for superior cooling performance, the do88 Transmission Cooler offers the following key features:

• Direct fitment for 2020–2026 Toyota GR Supra MK5 (A90) and BMW G-Series B58 engines
• High-efficiency aluminum core designed for maximum heat dissipation
• Durable construction resistant to corrosion and wear
• Optimized fin design to improve airflow and cooling capacity
• Compact size for easy installation without interfering with other components
• Includes all necessary fittings and hardware for a seamless upgrade
• Helps maintain stable transmission fluid temperatures during aggressive driving
• Reduces risk of transmission overheating and extends transmission life

Construction & Design

The do88 Transmission Cooler is crafted from premium aluminum, chosen for its excellent thermal conductivity and lightweight properties. The cooler features a robust, corrosion-resistant finish to withstand harsh under-hood environments and ensure long-lasting durability. Its precision-engineered core and fin layout maximize surface area for efficient heat transfer, while the compact design allows for straightforward integration into the vehicle’s existing cooling system without requiring extensive modifications.

Every component is manufactured to strict quality standards, ensuring reliable performance and a perfect fit. The cooler’s design balances cooling efficiency with minimal impact on engine bay space, making it an ideal upgrade for both street and track applications.

Installation & Fitment

Installation of the do88 Transmission Cooler is straightforward and designed to be a direct replacement or upgrade for the factory transmission cooler on the 2020–2026 Toyota GR Supra MK5 (A90) and BMW G-Series B58 vehicles. The kit includes all necessary fittings and mounting hardware, allowing for a clean and secure installation without the need for custom fabrication or modifications.

Professional installation is recommended to ensure proper routing and connection of transmission fluid lines. Once installed, the cooler integrates seamlessly with the vehicle’s transmission system, providing immediate benefits in temperature management and transmission protection.

What's Included

• do88 Transmission Cooler core
• Mounting brackets and hardware
• Fittings and connectors compatible with factory transmission lines
• Installation instructions

Ideal For

This transmission cooler is ideal for Toyota GR Supra MK5 (A90) and BMW G-Series B58 owners who demand enhanced transmission cooling for spirited driving, track days, or towing. It is well-suited for enthusiasts looking to improve transmission durability and maintain consistent performance under high thermal loads. Additionally, it benefits daily drivers seeking added peace of mind by reducing transmission heat-related wear and potential failures.

do88 is a Swedish company specializing in high-performance cooling and intake components, including intercoolers, oil coolers, radiators, and intake systems, developed in-house for various vehicle models. Their products are designed to enhance thermal management and airflow, making them suitable for enthusiasts seeking reliable performance upgrades in turbocharged and high-performance vehicles.