SKU: 41355888126

DO88 Front Chargecooler Radiator (BMW F8X M2C / M3 / M4)

Sale price$229.95 Regular price$255.50
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Description

DO88 Front Chargecooler Radiator (BMW F8X M2C / M3 / M4)do88 performance radiator for the intercooler system designed for an easy drop in fitment in your BMW M2C M3 M4 F8XThe S55 turbo engine that powers the BMW M2C M3 M4 F8X uses a Top mounted water cooled intercooler instead of an regular air cooled intercooler. The coolant in this system has its own separate cooling circuit combined of two parallel connected radiators and a pump. The larger one of these two parallel connected radiators is positioned in

 

do88 performance radiator for the intercooler system designed for an easy drop-in-fitment in your BMW M2C / M3 / M4 F8X

The S55 turbo engine that powers the BMW M2C / M3 / M4 F8X uses a Top mounted water-cooled intercooler instead of an “regular” air-cooled intercooler. The coolant in this system has its own separate cooling circuit combined of two parallel connected radiators and a pump. The larger one of these two parallel connected radiators is positioned in the front of the center cooling module, the second smaller one is located in front of the right-side wheel arch.

Reducing the water temperature in this circuit is directly equated with improved cooling of the charge air (lower IAT). Due to this reason, it is important to have high performance radiators in this system to maintain as low and stable IAT as possible during tough driving. During all test we have carried out during the development of our entire BMW F8X M2C/M3/M4 product range we see clearly how the peak power is directly equated with the IAT (Intake Air Temperature).

When designing our upgrade performance radiator, we started with 3D-scaning the front of the center cooling module of our M3 Competition. This gave us an exact 3D-model of the available space to expand the core in. Since this radiator is positioned in the front of the center cooling module, we have optimized the frontal area / thickness / fin specifications to maximize the cooling performance but in the meantime allow enough air to flow through for the other cooling components behind it. It is critical to design a radiator positioned in front of others with a system view instead of just optimizing one part leaving the others over heated due to insufficient air flow.

Our final design is a 32mm thick single row core with multi-channel tubes. We have kept the OE style dual pass flow layout which allows the coolant to flow across the core two times before exiting the radiator. Our design extends the core height by 166mm and the thickness by 5mm all this totals into a frontal increase by 48% and core volume by a massive 75%.

These improvements have in our tests resulted in a 5°C IAT reduction in combination with our side mounted radiator upgrade.

All this hard work result in a product that in one way or another really will enhance the performance of your vehicle no matter if it is a standard car or a heavily modified monster! On track, on street, on strip, this radiator will be your true companion!

Significant advantages do88 radiator (stock comparison numbers):
- Greater core volume: 8498cm3 (4843cm3), 75% larger!
- Greater frontal surface area: 2656cm2 (1794cm2), 48% larger!
- Lower post intercooler air temperature at same conditions: 34°C (39°C), 5°C lower!*
- High efficient core with 7mm fin height of multi-louvered design.
- Multi channel core tubes.
* Measured at 240km/h during full throttle acceleration 0-240km/h at air strip. Both tests was performed same day under same conditions.

Fits:
BMW M2 Competition
Model years: 2019-2020
Model: F87

BMW M3 / M3 Competition
Model years: 2015-2018
Model: F80

BMW M4 / M4 Competition / M4 GTS / M4 CS
Model years: 2015-2020
Model: F82 F83

Replaces OEM Part Number: 17112284608


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SKU: 41355888126

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Fazal
Waukegan, US
★★★★★ 5
Quality.
Size: 15 FT, Style: 0 (1/0) AWG RED, Size: 15 FT, Style: 0 (1/0) AWG RED
If you’re reading this stop just get it.
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Reviewed in the United States on May 20, 2026
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Zack
Natrona Heights, US
★★★★★ 4
slightly smaller than sky high
Size: 30 FT, Style: 0 (1/0) AWG RED
wire is okay but it is definitely on the thinner side, was slightly smaller than my sky high 1/0 wire but for the price difference this is definitely worth it
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Reviewed in the United States on February 23, 2025
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chase guerlain
Lowell, US
★★★★★ 5
Heavy gauge battery cable
Size: 10 FT, Style: 0 (1/0) AWG RED
Heavy duty works good
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Reviewed in the United States on March 11, 2026
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jeff
West Palm Beach, US
★★★★★ 5
Great product
Size: 5 FT, Style: 0 (1/0) AWG RED
Good quality cable.
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Reviewed in the United States on February 1, 2026
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Astrid Falcon
Charlottesville, US
★★★★★ 5
Heavy duty and has lasted three years so far
I have had this relay installed in the engine bay of my Lexus RX 300, functioning to link the front battery to the additional battery in the trunk whenever the ignition is on. The relay has worked reliably for about three years now with no complaints besides one minor comment, be careful when threading down the nut on the Low voltage side. It is prone to stripping
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Reviewed in the United States on March 24, 2025

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