SKU: 77971920067

do88 Front Intercooler Radiator - BMW G-Series / Toyota GR Supra A90

Sale price$311.85 Regular price$346.50
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Description

do88 Front Intercooler Radiator - BMW G-Series / Toyota GR Supra A90Enhance your B58 Gen 2 engine's performance with the do88 Performance Front Mount Heat Exchanger! B58 engine compared to the F80 M3 M4 S55The B58 engine shares similarities with the S55 engine found in the F80 M3 M4 models, as both engines have a water to air charge cooler paired with heat exchangers (water radiators) in the front of the car. These radiators cool the water flowing through the charge air cooler, the water dissipate heat from the charge

Enhance your B58 Gen 2 engine's performance with the do88 Performance Front Mount Heat Exchanger!

B58 engine compared to the F80 M3/M4 S55
The B58 engine shares similarities with the S55 engine found in the F80 M3/M4 models, as both engines have a water-to-air charge cooler paired with heat exchangers (water radiators) in the front of the car. These radiators cool the water flowing through the charge air cooler, the water dissipate heat from the charge air before it enters the engine. The main difference lies in the B58's liquid-to-air charge cooler design, which is integrated into the intake manifold, while the F80 S55's cooler is a separate unit mounted on top of the engine.

Challenges of the B58 Charge Air Cooling System
A common issue with tuned B58 engines is the rapid heat soaking of the charge air cooling system, particularly during track days. High intake air temperatures will make the ECU to reduce power output or put the car into limp mode. Even spirited street driving can prompt the ECU to pull timing and decrease power output due to high intake temperature.

Our Solution
It is evident that this system needs increased cooling capacity to prevent heat soaking. Part of or solution is our do88 Performance Front mount heat exchanger. The do88 Performance Front Mount Heat Exchanger is designed to provide increased cooling capacity, preventing heat soaking. It features:

  • 80% larger core volume than the original radiator (OE).
  • Dual-row core that is 48mm thick, increasing the cooling surface by 36%.
  • Quad-pass layout, allowing water to pass through the radiator four times instead of two, maximizing core surface area utilization.
  • Slightly higher 5mm ambient fin height (compared to the OE's 4.4mm), ensuring good airflow to the engine radiator despite the increased core thickness.
  • Full aluminum construction, complete with durable TIG-welded end tanks.
  • Increased fluid capacity (2,6 liter more) for optimal heat dissipation.

Installation
Our heat exchanger includes mounting points for the OE transmission cooler and both OE rock guards. Some trimming of the OE plastic radiator mounting frame is necessary to fit the larger do88 Performance Front Mount Heat Exchanger (see installation instruction).

Download Installation Guide 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 77971920067

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Madison Hall
Chelsea, US
★★★★★ 5
Perfect Stuffed Animal
Bought these as a gift for our dog and he absolutely loves them! We haven’t even given him all of them yet because they’ve held up so well. Normally he destroys stuffed toys almost immediately, but these are surprisingly durable and have lasted much longer than expected. The only thing he seems determined to chew off are the ears — apparently he has something against stuffed animal ears 😂 Luckily my fiancé just cuts them off before giving the toys to him and they’ve been great after that!
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Reviewed in the United States on May 12, 2026
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Erika
Charlottesville, US
★★★★★ 1
Bad squeakers
These toys are so cute, but they come vacuum sealed, so all the squeakers were out of air and broken. These are unusable.
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Reviewed in the United States on October 18, 2025
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Eydie Kirk
West Palm Beach, US
★★★★★ 4
No working squeakers
These toys are very durable but the squeakers do not squeak. They were sealed in an air tight plastic bag which permanently collapsed the squeakers.
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Reviewed in the United States on July 6, 2025
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Skylee Llewelyn
Dallas, US
★★★★★ 5
Too cute not to buy!
these are so cute! my doggy loves them, and they appear to be pretty durable from what i can tell so far. definitely worth the buy!
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Reviewed in the United States on January 12, 2026
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Janet
Whiting, US
★★★★★ 3
Squeaky bits broken 😞
Three out of five had broken squeaks. I have extra ones so I’m going to open them up and replace them but it’s extra work when the squeaky bits should be working.
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Reviewed in the United States on December 26, 2025

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