SKU: 82399140400

Do88 Intercooler to Throttle Body J-Pipe - BMW / F8X / M2C / M3 / M4

Sale price$119.67 Regular price$132.97
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Description

Do88 Intercooler to Throttle Body J-Pipe - BMW / F8X / M2C / M3 / M4do88 performance intercooler to throttle body J pipe designed for an easy drop in fitment in your BMW M2 M3 M4 F8X The S55 twin turbo engine that powers the BMW M2C M3 M4 F8X is 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. With our performance intercooler J pipe, we like to

do88 performance intercooler to throttle body J-pipe designed for an easy drop-in-fitment in your BMW M2 / M3 / M4 F8X

The S55 twin-turbo engine that powers the BMW M2C / M3 / M4 F8X is 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.

With our performance intercooler J-pipe, we like to offer a solution for the reliability issue and of course at the same time minimize the restrictions by improving the air flow!

To get an exact 3D-model of the available space to design our intercooler pipe in we did a detailed 3D-scan of our M3 Competition engine bay. With the help of this 3D-scan model we could design a new 3,5” (89mm) casting J-pipe with nice smooth routing. Most aftermarket J-pipes on the market is made of mandrel bent 3” pipes cut and welded in several pieces to achieve the J-shape. The OE J-pipe is 3,3” (85mm) so it is clear a 3” version is not ideal in terms of airflow, which also have confirmed in our Superflow flow bench.

Our final design is a super durable 3,5” (89mm) casting J-pipe which improves the airflow. It has a free form shape with same diameter all the way to the throttle body which is “impossible” to achieve with mandrel bent pipe. Our J-pipe has two methanol injection connection (1/8 -27 NPT) which is blanked off with plugs at delivery. A more durable silicone hose is also included together with matte black hose clamps for a clean stealthy look. A new C-clip is included to fasten the J-pipe to the throttle body instead of the flimsy OE plastic retaining clip.

Significant advantages with do88 performance intercooler J-pipe:
- Improved reliability!
- 6061 Aluminum instead of plastic
- Stainless steel throttle body C-clip
- Matt black silicone hose coupler included
- Up to X% better air flow!
- 2x 1/8-27 NPT connections that can be used for methanol/nitrous injection or as vacuum port fitting for pressure gauge. Blanking plugs are included!

OE-ref. / Replaces

11-61-8-057-992 / 11 61 8 057 992 / 11618057992


11-61-8-057-992 / 11 61 8 057 992 / 11618057992


Download Installation Guide 

Shipping Notes
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Exchange/Return Notes
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SKU: 82399140400

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Veronica
Boise, US
★★★★★ 5
Happy customer
Size: 14 Slim, Color: Washed Blue
My girl absolutely loves the jeans!!!! I sized up for her just incase and I’m glad I did because they fit her perfectly!!!!!!!! I sized up for her height! Perfect length!!!! Great quality!!!! Great price!!!! Jeans look just like they are pictured online!
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Reviewed in the United States on December 19, 2025
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Felicia
Lexington, US
★★★★★ 5
Cute jeans
Size: 12, Color: Washed Blue, Size: 12, Color: Washed Blue
Bought these jeans for my daughter and they fit great! The material is thick, which is nice even in warm weather. They look just like the photo and have a great length to them. Very comfortable and stretchy . She loves them!
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Reviewed in the United States on October 16, 2025
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Teri PD
Los Angeles, US
★★★★★ 5
FANTASTIC FIT
Size: 16 Plus, Color: Washed Blue
I'm a 4'7" , 65 year old woman. Due to abdominal issues I needed jeans that give that extra something on the waist. I've tried on just about every brand of jeans ranging in size from adult/junior 6 to 12. If they fit on the legs the waist was huge. If they fit on the waist the legs and butt had enough room for me and a friend. I was resigned to wearing yoga pants and leggings with big shirts. My son mentioned that he loved the Amazon basics men's dress slacks, so I figured why not. First I looked at women's and juniors, and I knew from the measurements that I was still stuck. Then I remembered that about 15 years ago I'd buy girls pants (I was a size 12 in kids at the time) Looking at the sizes I knew a 12 was way too small, then I saw the 16 plus. With hesitation I bought them. Well glory be miss Agnes, THEY FIT. Comfortable, real jeans again. Sure, I have to take them up about 6 inches, but that's fine, not a problem. I'm just so happy to have real jeans again !!!
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Reviewed in the United States on November 30, 2023
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Tamm
San Leandro, US
★★★★★ 5
Love them!
Size: 7 Slim, Color: Washed Blue
I did but expect these jeans to fit so well and look so nice on my daughter. Hands down the best jeans I’ve purchased for her, much better fit and quality than the other stores! The length is perfect, but it’s a little snug in the waist. Still a great fit with some stretchiness! Great value!
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Reviewed in the United States on July 25, 2025
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Ljs
Massapequa, US
★★★★★ 5
Great pair of Jean and great price!
Size: 14, Color: Washed Blue, Size: 14, Color: Washed Blue
I can’t believe these were only $13. They feel and look like quality jeans, very basic/simple boot cut. My daughter says they’re stretchy and comfortable. I ordered her a size 14 (12’s fit her waist but are always too short) She’s 11 years old, 5’ tall, about 80lbs. The waist adjusters were great for the perfect fit.
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Reviewed in the United States on August 9, 2025

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