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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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16

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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
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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]
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SKU: 77971920067

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4.3 ★★★★★
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Tyler Hogue
Natrona Heights, US
★★★★★ 4
Great product but screws are annoying
Size: 6 pairs
These 24K gold-plated banana plugs are a solid choice if you’re looking for an easy and reliable way to connect your speaker wire. The connectors feel sturdy, and the gold plating gives them a clean, professional look while also helping prevent corrosion. Installation was straightforward — the wire slots fit snugly, and once tightened down, the connection feels secure. I used them for both my home theater and stereo setup, and the sound quality is clear with no noticeable interference or loss. The pack includes 6 pairs (12 plugs), which is plenty for most speaker setups, and they fit my receiver and speaker terminals perfectly. My only small complaint is that the screws could be a bit tighter or smoother when clamping the wire — you just need to make sure they’re seated properly to get the best hold. Still, once installed, they stay firmly in place.
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Reviewed in the United States on October 21, 2025
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Matan Boujnah
Belleville, US
★★★★★ 5
Excellent product
Size: 6 pairs
Excellent product
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Reviewed in the United States on May 27, 2026
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Verified Purchase
Kuriakose
Lowell, US
★★★★★ 5
Works great with all speaker wires
Size: 6 pairs
It works pretty well with standard and thin speaker wires. It makes so much easier to plug and unplug speaker wires. Color coded makes it easier for future. Banana plugs are worth. Double screws ensure wires remain securely attached. Screws are bit too tiny and had to run to the store to get one of those fine tip screw driver though.
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Reviewed in the United States on January 26, 2026
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thomas d weatherhead
San Leandro, US
★★★★★ 5
Good connection
Size: 6 pairs
Seem to work fine
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Reviewed in the United States on April 7, 2026
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clark stonewall
Draper, US
★★★★★ 5
Let’s get wired up
Size: 12 pairs
This package arrived on time very easy to use and install made hook up to my new amp so much easier
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Reviewed in the United States on March 28, 2026

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