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Description
DO88 Chargecooler (BMW F8X M2C / M3 / M4)do88 performance intercooler designed for an easy drop in fitment in your BMW M2 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. This OE intercooler has a Tube&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
do88 performance intercooler designed for an easy drop-in-fitment in your BMW M2 / 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. This OE intercooler has a Tube&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 aluminum 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 powergain of 13 hp! Measured on car with BootMod3 Stage 1 tune.
- Highest midrange powergain 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.
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&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 aluminum 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 powergain of 13 hp! Measured on car with BootMod3 Stage 1 tune.
- Highest midrange powergain 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.
| Fits: |
BMW M2 Competition |
|
OEM-reference: |
17517846235 |
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Exchange/Return Notes
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4.8 ★★★★★
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Product Reviews
★★★★★ 5
It’s wonderful!!
Size: 2' x 3' (Single Pelt), Color: Brown, Size: 2' x 3' (Single Pelt), Color: Brown
The product is wonderful! You know it is real, coz the smell doesn’t go away. I use it to meditate and cannot how nicely it created the perfect comforting barrier to help elevate my experience. I however want to find alternatives coz I stopped using animal products after turning a vegetarian. The size (it is bigger in person than in the pic) and color(brown) are perfect for what I do and doesn’t need much/any maintenance!
The white however needs a lot of attention and care.I’m sure it would last a decade and the weight is just right too!
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Beautiful lux sheepskin, you won't be disappointed!
Size: Single Pelt/2 ft x 3 ft, Color: Grey
I just got this today, 2 day delivery. It's a beautiful silver grey 2'x3', no smell, no shedding, super soft and has a luxurious feel. I can't believe it's real and so affordable! I have it draped on an ottoman in front of the couch. I love it and already want to buy a few more for my mid century modern couch and chairs. So chic! Highly recommend!
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Reviewed in the United States on May 9, 2026
★★★★★ 5
Soft and great quality
Size: Single Pelt/2 ft x 3 ft, Color: Blue, Size: Single Pelt/2 ft x 3 ft, Color: Blue
Beautiful and very soft. Love the color
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Reviewed in the United States on February 2, 2026
★★★★★ 4
Very nice if you aren't too pick on actual color.
Size: Single Pelt/2 ft x 3 ft, Color: Blue
Colors may vary. I really liked this, it was the perfect size and that perfect combination of soft and fluffy, but not being "too fluffy" and looking like a shaggy dog that needed a haircut. My only complaint was the color. Supposed to be blue, and I know monitors and lighting distort stuff but this was an obvious turquoise/teal. Much much greener than I was looking for. I could have made any variant of an actual blue work from powder baby to practically navy, but not this. I had to return, but other than the color, this seemed to be a very nice rug. Sad the color was so off.
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Reviewed in the United States on February 10, 2025
★★★★★ 5
Very Nice
Size: Double Pelt/2 ft x 6 ft, Color: Mocha
Great in my office chair for added comfort
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Reviewed in the United States on April 9, 2026