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do88 BMW G-Series B58/Toyota GR Supra MK5 (A90) Transmission Cooler

$643.10

On Backorder — Expected to ship by May 24, 2026

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do88 BMW G-Series B58/Toyota GR Supra MK5 (A90) Transmission Cooler

Key Features

  • Fits BMW G-Series B58 and Toyota GR Supra MK5 (A90).
  • Designed to help manage transmission temperatures during demanding use.
  • Robust aluminum construction with a dense fin core for efficient heat transfer.
  • Direct-fit design for installation in place of the factory cooler.
  • Connects to factory transmission lines for a simpler installation.
  • Offers increased cooling surface area compared to the stock transmission cooler.
This transmission cooler is designed to fit BMW G-Series models with B58 engines and the Toyota GR Supra MK5 (A90). Please verify compatibility with your specific vehicle.
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About this part

Product Details

do88 is known for making well-built cooling components, and this transmission cooler for BMW G-Series B58 engines and the Toyota GR Supra MK5 (A90) is no exception. If you push your car hard, whether on the track or just spirited street driving, keeping your transmission temperatures in check is crucial for longevity and consistent performance. This cooler is designed to help manage those higher temperatures.

This unit features a robust aluminum construction with a dense fin core, which is key for efficient heat dissipation. The transmission cooler uses a direct-fit design, meaning it's made to install in place of the factory cooler with minimal modification. It connects directly to the factory transmission lines, simplifying the installation process. The cooler's core is designed to offer a significant increase in cooling surface area compared to the stock unit, allowing it to absorb and release more heat. This improved cooling capacity can help prevent the transmission fluid from overheating, which can lead to reduced performance and potential damage over time.

When installing this transmission cooler, you'll want to ensure you have the necessary tools for disconnecting and reconnecting the transmission fluid lines. It's also a good idea to have some fresh transmission fluid on hand for topping off after the installation. This cooler is a solid option for anyone looking to add extra cooling capacity to their high-performance BMW or Supra.

Specifications

Brand
do88
Manufacturer Part #
OC-190

Frequently Asked Questions

do88 BMW G-Series B58/Toyota GR Supra MK5 (A90) Transmission Cooler

$643.10