SKU: 83635289071

DO88 Chargecooler BMW F8X M2C M3 M4

Sale price$537.75 Regular price$597.50
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Description

DO88 Chargecooler BMW F8X M2C M3 M4The 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. This OE intercooler has a tube and fin core with clamped plastic end tanks. This construction has its drawbacks since it is prone to crack and start leaking coolant into engine or leaking boost pressure out of the tank sealings. Our mission when starting this development of a new performance intercooler was

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. This OE intercooler has a tube and fin core with clamped plastic end tanks. This construction has its drawbacks since it is prone to crack and start leaking coolant into engine or leaking boost pressure out of the tank sealings.

Our mission when starting this development of a new performance intercooler was to eliminate the OE intercoolers weaknesses and of course offer a great performance increase. 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).
To get an exact 3D-model of the available space to design our intercooler in we did a detailed 3D-scan of our M3 Competition engine bay. In our Solidworks CAD-software we tried out several design concepts for our charge air cooler using the 3D-scan generated model.

The final design concept was decided after several CFD simulations in our Solidworks Flow Simulation software. In this software we can simulate air flow and measure pressure drop and air distribution over the core. We decided not to include internal air guides since several of our simulations showed they did more harm than good. The air flow is distributed perfectly over the core with our tank design without internal air guides as many claims is good. But in many cases, these causes turbulence and disruptions in the airflow.

Our final design resulted in a bar-and-plate core with TIG-welded aluminium casting end tanks. This offers a peace of mind for any High boost tune. We have managed to utilize a massive core 85% lager than OEM and decrease (16% lower) the charge air pressure drop and maintain drop-in installation without modifications. Decreasing the charge pressure drop over the intercooler has several benefits such as the turbos needs to work less to achieve target boost / lower temperature / improves throttle response. We have the equipment to calculate the pressure drop in our CFD calculation software and also real-world tests in our Superflow SF-1020 flow bench. On the water coolant side, we changed to a dual pass flow structure which allows the coolant to flow across the core two times before exiting the intercooler instead of the OE single pass structure.

We use a high density offset cooling fin on both the air and water side. Several tests were performed to find optimum balance in-between the air and water fins to get the maximum heat transfer. This gives our intercooler a huge increase in active cooling area compared to OE.

Naturally, this being a do88 performance product, we have executed thorough, severe, and continuous tests developing this product to ensure best performance. Not one compromise has been made.

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 charge air cooler will be your true companion!

Significant advantages with do88 performance intercooler (stock comparison numbers):
- Peak power gain of 13 hp! Measured on car with BootMod3 Stage 1 tune.
- Highest midrange power gain of 25 hp!
- Highest torque gain of 52 Nm!
- Greater core volume: 5657cm3 (3052cm3), 85 % bigger!
- Air flow at 0,025bar/0,36psi pressure drop: 298 CFM (256 CFM), 16 % higher!
- Lower post intercooler air temperature at same conditions: 39°C (48°C), 9°C lower!*
- Fits all cars in the list below!
* Measured at 240km/h during full throttle acceleration 0-240km/h at air strip. Both tests was performed same day under same conditions.

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Exchange/Return Notes
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SKU: 83635289071

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Amazon Customer
Pawtucket, US
★★★★★ 5
Great shoes for everyday wear and baseball practice
Size: 1 Big Kid, Color: Blue Orange a
So far, my son has really enjoyed these shoes. He wears them every day, and they’ve held up pretty well, even with baseball practice. They seem comfortable for him, and they’ve handled regular use better than expected. I’m very happy with the quality and durability so far. For everyday wear and active use, these have been a great choice. I’d give them 5 out of 5 stars and would definitely recommend them.
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Reviewed in the United States on May 18, 2026
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Catherina Verkhunova
Fort Morgan, US
★★★★★ 5
Awesome shoes for an active kid
Size: 6 Big Kid, Color: Blue
These shoes are absolutely AWESOME. We've tried a lot of these lesser known Amazon brands as well as big brand names and these Kubuas are great. Comfortable, light, can be worn all day. My 10 year old is on his second size. The old pair that he's outgrown now is still in pretty good shape. Highly recommend!
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Reviewed in the United States on June 9, 2026
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Tyler Cady
New York, US
★★★★★ 4
He loves them.
Size: 4.5 Big Kid, Color: Black Orange
Great construction and very durable. I’ve got an 8 year old boy who loves to play rough. He wears them through mud, grass, gets them wet, anything you can imagine. They clean really easily, which is a lifesaver when you’ve got an 8 year old. He loves the colors and his friends think they’re cool, which is a bonus. They support his arches well, fit just right, and are true to size. These can be worn as daily walkers, gym shoes, running shoes, or when he wants to look fly. These grip is strong - great for gym class. Very affordable and well worth it. Shipped quickly. Multiple uses for sports, walking, basketball, soccer, whatever. The laces are tough and the tongue is well constructed, as is the heel and the sole. Works perfectly.
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Reviewed in the United States on January 3, 2026
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Sara C.
Belleville, US
★★★★★ 5
The BEST kids tennis shoes
Size: 11 Little Kid, Color: Black/Green
I just bought a second pair of these for my son. The first pair lasted a whole school year, which is pretty good for an active 4 year old, and he still loves them though they look a bit beat up. Got him a new pair for his birthday and he’s so excited. Worth every penny. True to size and they are apparently very comfortable.
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Reviewed in the United States on May 27, 2026
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Ashley Wise
Los Angeles, US
★★★★★ 5
I will keep buying these
Size: 3 Big Kid, Color: Black Orange, Size: 3 Big Kid, Color: Black Orange
This is the third time I have purchased these shoes. Every time my son grows out of them I buy the next size up. His favorite color is orange, so he loves the look of these. They are also soft mesh around the toes, which he loves so he can wiggle his toes. These are durable and well made. The pair i purchased before these is still wearable, just too small for him now. These are his daily shoes. The price has gone up since my first purchase, but they still are not unreasonable for how long they last. He is an active boy. He climbs trees, runs, and plays hard. So for any show to last 6 months when he wears them daily it shows the durability. It also shows that these shoes have tread on them thay stops him from slipping. He is able to move around freely and never has issues with grip. He puts them on without difficulty.
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Reviewed in the United States on March 17, 2026

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