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.

Shipping Notes
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Exchange/Return Notes
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SKU: 83635289071

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4.8 ★★★★★
Based on 10 reviews
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K
Verified Purchase
KAV
Bozeman, US
★★★★★ 2
Destroyed in under 10 minutes
Size: 9 in, Color: Large Bone
I bought 2 of these toys, one for my 9 year old great dane who isn't an aggressive chewer, and one for my 6 month old puppy who is average. In less than 10 minutes both were destroyed and my dane managed to swallow a good chunk. I wasn't surprised when they both had small holes on the ends and started pulling the stuffing out. The stuffing and squeakers were confiscated immediately, but I let them keep chewing. By the time I came back from throwing the insides away, both dogs had chewed the toys in half and my dane swallowed a chunk when he saw me coming. The puppy was going to do the same thing, but luckily we're working on his "drop" command so he was excited enough for the bigger payout and dropped it. They didn't just come apart at the seams, the whole toy ripped in half making it too easy to swallow. Neither of them are aggressive cheers and the toys didn't hold up at all. A stuffed animal toy would have lasted longer (and has any time I've allowed it). 10 minutes of playtime is probably too generous , but I'm trying to be fair. If I hadn't been right there watching them, they both would have been able to swallow the whole thing in minutes. Definitely not safe for any amount of actual chewing.
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Reviewed in the United States on November 14, 2025
S
Verified Purchase
Skylaire
Carnegie, US
★★★★★ 5
The perfect teething toy for a puppy of any size - apparently indestructible!
Size: 9 in, Color: Large Bone, Size: 9 in, Color: Large Bone
I ordered this product for an overly excitable, destructive corgi chihuahua mix puppy, who was teething. He was a foster and managed to destroy, almost immediately, every toy I had on-hand for him, and toys I picked up at the local pet store. I was very concerned he'd swallow parts of toys, which can lead to fatal intestinal blockages, not to mention extremely high vet bills which I couldn't cover as a simple foster mom. When it arrived, I crossed my fingers that the "Seam Protection - doubled-stitched seams with heavy duty thread" would actually add "extra durability." And I was NOT disappointed! The bone shape of the toy would probably fit comfortably in the mouth of any dog or puppy, as you can see from photo #4. What's coolest about the shape of this toy is the pup can sink all of his or her teeth into it, providing comfort for the entire mouth and not just a few teeth or only one section of its mouth at a time. I was much more experienced as a kitten foster mom, and had had similar difficulties finding teething toys for kittens. This toy is thin and light weight enough that I imagine it could provide relief for little kitten mouths, also, but I didn't get to find out, as my little foster pup chose this as his #1 favorite toy and brought it with him to his forever home. I wanted to know how long it would take before he'd destroy it, though (picture 5 he'd had this Dura-Fused bone toy for a few hours short of one week, and the last photo - you'll see he'd not even undone a small portion of the seam!) Overall I would highly recommend this product for teething babies of almost any species. As far as I could tell it is indestructible. Almost seven days of constant gnawing and he'd not even taken one stitch out, created any tear or rip, let alone, gotten close to being able to swallow the squeaker (always a fear!). I imagine months later, he's still been unsuccessful at ripping/tearing this toy at all. I'd gladly buy again should I foster any dog or puppy - the company lives up to its moniker, Ethical Products, because they've produced a no-frills and apparently indestructible squeak toy which I'd have no fears of leaving with a teething puppy unsupervised. Highly recommended!
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Reviewed in the United States on November 28, 2020
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 3
Good tug toy
Size: 15 in, Color: Retriever
I have a doberman that shready everything in 2.5 seconds. This lasted a few days so was impressed for the cost. Would buy again as he really liked it.
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Reviewed in the United States on December 28, 2025
L
Verified Purchase
Larry B.
Birmingham, US
★★★★★ 5
My dog’s new favorite
Size: 8 in, Color: Squirrel
didn’t expect much for the price but my dog actually loves this thing. It’s tough enough to hold up to regular chewing and the leather gives it a nice texture that’s different from the usual plush toys. He carries it around like it’s his prize. It’s not indestructible and if your dog is a heavy shredder it probably won’t last forever but for moderate chewers it holds up way better than a lot of toys I’ve tried. Definitely worth grabbing again.
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Reviewed in the United States on July 19, 2025
M
Verified Purchase
M
Massapequa, US
★★★★★ 4
Not for gnawers
Size: 11.5 in, Color: Bear
I was hoping this would work for my teenage ACD and save my leather goods from being chewed on. He gnawed on it quietly I was thrilled. But I had to take it from him within a few minutes. Gnawing apparently equals chewing pieces off. Not made for chewers or gnawers. It seemed to be well made, was soft, was actually a fairly good size and didn’t get gross when it got spitty. Just didn’t work out for Captain chaos destructor of all.
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Reviewed in the United States on May 4, 2026

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