SKU: 18384903169

DO88 Chargecooler Packs (BMW F8X M2C / M3 / M4)

Sale price$756.90 Regular price$841.00
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Description

DO88 Chargecooler Packs (BMW F8X M2C / M3 / M4)This is our different BigPack configurations for the BMW M3 M4 F8X. These are complete packages for the charge air cooling system with drop in fitment! The S55 turbo engine that powers the BMW M3 M4 F8X uses a Top mounted water cooled intercooler instead of an regular air cooled intercooler. The stock top mounted intercooler has a Tube&Fin core with clamped plastic end tanks. This construction has its drawbacks since it is prone to crack and start

This is our different BigPack configurations for the BMW M3 / M4 F8X. These are complete packages for the charge air cooling system with drop-in-fitment!

The S55 turbo engine that powers the BMW M3 / M4 F8X uses a Top mounted water-cooled intercooler instead of an “regular” air-cooled intercooler. The stock top mounted 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.

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 pack, the second smaller one is located in front of the right-side wheel arch.

These cars are equipped with plastic intercooler pipes on both the hot and cold side. These pipes are a week link on any tuned car or in some cases even on a stock tune. The OE plastic pipes often crack / split leaving you with a boost leak.

We have designed upgrades for all these parts by advanced 3D scanning and 3D modeling in the scanned environment. We conducted CFD simulations on most parts and several tests to make sure we deliver the best performance upgrade!

You can choose between three different options for this product.

1. Intercooler and both intercooler pipe kits
2. Intercooler and both radiators for intercooler system
3. Intercooler, both intercooler pipes and both radiators for intercooler system

Our performance intercooler helps your engine to make more power both by lowering the intake air temperature and lowering the pressure drop! It is a bar and plate unit with 3D freeform designed end tanks TIG welded to the core. It has a core volume 85% larger than stock intercooler and outperforms the stock unit both when it comes to air flow and cooling efficiency. 16% better flow and 9°C lower IAT, so with both better flow and lower IAT this is a true upgrade!

Our radiators for the charge air cooling circuit lowers the water temperature in the charge air cooling system circuit. This is equal to lower intake air temperature which gives both more power and a more persistent performance. We achieve this by increased cooling face area, increased core thickness and well composed cores made with multichannel tubes!

Our intercooler piping, both the ones that goes from the turbochargers to the intercooler and the one that goes from intercooler to throttle body is designed to add durability and at the same time improve air flow. It is not easy to improve both reliability and improve air flow as the stock pipes flows well. With our software flow simulation and physical flow verification abilities we are sure that we are making improvements which is more than most suppliers of this kind of pipes can say!

For more information about the included parts visit the product pages for each one of them:

Intercooler
Turbo to intercooler pipes
Intercooler to throttle body pipe (J-pipe)
Front mounted (Large) intercooler system radiator
Side mounted (Small) intercooler system radiator

Significant advantages with do88 BigPack (differs between the configurations):

- 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!
- 9-14°C lower IAT, depending on configuration!
- 16-17% higher air flow!

Fits:
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 Numbers: 17517846235, 11617846245, 11617846246
11617848447, 11618057992

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 18384903169

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ShirleyJ64
Alexandria, US
★★★★★ 5
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Size: 38B, Color: Gentle Rose
This is a good post surgical bra. I had a lumpectomy and it gave me enough support without being too tight. It is adjustable in the front and the shoulders. Use the size chart to get your best fit. Soft material. Comfortable enough I wore it 24/7 for a couple days. Only downside is handwashing but I will try the delicate cycle on my machine and air dry always.
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Kindle Customer
Massapequa, US
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Awesome bra!
This bra is so comfortable. I love the fact that you can adjust the straps and the front to make it fit a short person's torso. This bra lifts and so far, has not stretched out.
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Reviewed in the United States on April 21, 2026
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jac Hutt
Birmingham, US
★★★★★ 4
Soft and Comfortable
Size: 46D, Color: Black
Size 46 D, black. Very Comfortable ! The strap adjustments are in front so it would be easy for someone who needed a caregiver to help them dress. The cups fit well with no gaps or wrinkles and the back lays smoothly, with no irritating seems or crossovers. The chest band is one piece, so no irritating seams, and its a little more supportive than my usual at home or bedtime bras. I tried it on and decided to wear it an hour to see if it stayed comfy while I moved around the house. It was so comfortable I forgot to change it! I ordered the black and when I machine washed it there was no dye bleeding. Hung to dry. Wearing it again and I think it just might become my new favorite. If I still love it, I might purchase another color in next month's shopping budget.
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Linda F
Waukegan, US
★★★★★ 5
Extremely Comfortable
This bra is the most comfortable bra I have worn. It is so comfortable it doesn't even feel like I am wearing a bra. There are no unfinished seams inside. I like the fact the shoulder straps are hook and eyes that don't slip like the conventional straps. This bra is reasonably priced and nicely made with good support.
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Alexandria, US
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DELMIRA BRAS
Size: 36DD, Color: Gentle Rose
I don’t care for this bra whatsoever. The material is very cheap, has no support and in a nutshell, it’s one of those bras you can wear to bed if you’re not feeling comfortable going to bed braless. The price ($19.99) is very high for this bra. It’s definitely not made well or worth the price. I’ll never buy from Delmira again.
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