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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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4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Awesome filter! Nasty campground water no longer...
Style: Standard Filter
I have run these for years in my RV and they work killer! Here's some more in-depth thoughts:
Pros:
- These work better than I had expected. Just hook them up to the water source, hook your hose to it, run it to your trailer and viola` clean and good tasting water. Some of the places we have visited have had water that I wouldn't feed to my worst enemy. With this thing attached, it's very good tasting.
- I like the hose attachment that comes with this to aide in adding flexibility to the system and not put too much strain on the system. I have bought so many of these, I now use one attaching the filter to the nozzle, one out of the filter to my hose, and one attaching my hose to the trailer.
Notes:
- I will note that the manufacturer suggesting using these for only 1 camping season, and this makes sense. That's what I do, and it seems to work out great. It's not too much $ to replace every season.
- Another note, when first putting this filter into service (just the first time of the season, subsequent hook-ups wont do this) there will be a bunch of carbon (black in the water) that comes out of the faucet in your trailer. This is perfectly fine, safe, and of no issue. This is the filter breaking in and getting the extra carbon out of the system. There is no health concern with this happening. I just run the faucet until it clears up, and then we're good to go for the rest of the season.
- Last note, when we unhook from our camping spot, I swing the filter in my hand with my arm extended (using centrifugal force, not centrifical, look it up) to get the residual water out of the filter so it doesn't sit in there and spoil. I do this until I get most of the water drops to stop, leave it out on the counter to dry, and boom, it's perfect the next time.
Cons:
- None to report
Overall this filter does a great job taking care of some seriously nasty campground water that we've encountered all over the Southwest US. I cannot recommend it any higher.
I hope I have helped your purchasing decision of this product. I am not affiliated with the manufacturer, seller or any other product related company nor am I under any obligation to write this review. I do this for my own fun and to help others in the Amazon Community! Feel free to comment and let me know if I have helped you, and please note below if this review was able to help. If you should have any questions, please post them below in the Comments. I try to answer all inquires in a timely fashion to the best of my ability.
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Reviewed in the United States on April 26, 2017
★★★★★ 5
Clean, Great-Tasting Water Made Easy with Camco Tastepure
Style: Standard Filter
I installed the Camco Tastepure RV inline water filter on our rig, and it’s another example of why I’ve come to trust Camco products. The reinforced strain relief hose is a small but incredibly smart feature—it keeps the connection between the filter, hose, and RV kink-free and easy to manage. Setup was simple, and the whole system feels sturdy and well-designed.
A tip I’ve learned through experience: before putting a new filter into service, run water through the internal charcoal filter for 30 - 45 seconds. This flushes out any loose charcoal bits and ensures the first water you drink is crystal clean and tastes amazing. After that, connecting to the RV is straightforward, and you immediately notice how much better the water tastes.
Whether filling up a glass or cooking, it’s made a real difference in our RV experience. Reliable, easy to use, and excellent tasting water every time - I highly recommend this to any RV owner who cares about water quality on the road.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Works as designed
Style: Standard Filter
Works as designed. No issues or defects.
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Reviewed in the United States on June 2, 2026
★★★★★ 4
works well for camping
Style: Standard Filter
I’ve used this filter on my camper for years without issues, so I installed one in my outdoor kitchen at home. It was connected to a hose bib and left under constant pressure, feeding a small electric water heater for a sink.
That turned out to be a mistake. Overnight, the top of the filter housing cracked and leaked water throughout the cabinet. No idea how long it was spraying.
This filter works fine for intermittent use (like camping), but it does not appear to be designed for continuous pressure. I would not recommend installing it in a permanent, always-pressurized setup.
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Perfect, fits, nice to just have them sent to us.
Style: Standard Filter
Fits the bill. Clean water is so important and we enjoy the ease of having these sent right to us as we don’t live close to physical stores. They’re easy to install and the price is right!
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Reviewed in the United States on May 23, 2026