SKU: 18429680123

Mishimoto 2015+ BMW F8X M3/M4 Performance Heat Exchanger

Sale price$398.70 Regular price$443.00
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Ships within 48 hours · Estimated delivery Aug 19 - Aug 24

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Description

Mishimoto 2015+ BMW F8X M3/M4 Performance Heat ExchangerImprove the cooling capacity on your 2015 2020 BMW M3 or M4 with the Mishimoto Performance Heat Exchanger. Air to water intercooling is the means of more efficient heat transfer from the charged air, but it now requires an additional heat exchanger mounted to the front of the vehicle in order to dissipate the transferred heat. The S55 powering the F8X generation of the M? s packs quite a punch and while the BMW engineers laid a solid foundation for

Improve the cooling capacity on your 2015-2020 BMW M3 or M4 with the Mishimoto Performance Heat Exchanger. Air-to-water intercooling is the means of more efficient heat transfer from the charged air, but it now requires an additional heat exchanger mounted to the front of the vehicle in order to dissipate the transferred heat. The S55 powering the F8X generation of the M?s packs quite a punch and while the BMW engineers laid a solid foundation for dissipating the heat from the intercooling system, but we saw some room to improve. We started by eliminating any bits of plastic from the design, and replacing the end tanks, and ports with durable aluminum. We kept the dual-pass flow through the core for maximum cooling properties, while expanding the core into the available space. Our new design features a 42mm thick core while extending the height by 150mm totaling in a 60-percent increase in core volume and adding 180-percent to the external fin surface area. The end result of our improvements is a 9 F drop in global intercooling system temperatures over the stock unit. Size isn?t the only thing that matters with this heat exchanger. Since the heat exchanger sits front and center in the M3 and M4?s cooling stack, It's susceptible to damage from road debris. To keep your air-to-water system safe, our heat exchanger comes equipped with a steel mesh stone guard for an added layer of protection for the fins. We also incorporated a variable fin pitch for the lower 12 rows on the core in order to facilitate cooling to DCT equipped M?s. Finally, our 2015-2020 BMW F8X M3/M4 Performance Heat Exchanger also includes the Mishimoto Lifetime Warranty for a worry-free install.

This Part Fits:

Year Make Model Submodel
2019-2020 BMW M2 Competition
2015-2018 BMW M3 Base
2015-2020 BMW M4 Base
2019-2020 BMW M4 CS
2016 BMW M4 GTS
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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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: 18429680123

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4.8 ★★★★★
Based on 8 reviews
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Verified Purchase
Julia
Battle Creek, US
★★★★★ 5
She loves them, therefore I love them too
Size: 5.5 Inch, Color: Ring Toy
My furbaby LOVES these, especially the peanut butter flavored ones. I still regularly brush her teefers, but these do help with dental care.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
P
Verified Purchase
Piano Man
Draper, US
★★★★★ 1
Made mostly of POLYPROPYLENE PLASTIC and should not be injested.
Size: 8 Inch - 2 Pack, Color: Tree Branch
BAD PRODUCT. DO NOT BUY THESE FOR YOUR DOG. They are made mostly of POLYPROPYLENE PLASTIC. It even says on the package - "CAUTION: Product is not intended to be eaten or ingested. If you believe your pet has swallowed a piece, please take away and contact veterinarian if needed. Our dachshund went to town on one of these and had diarrhea for two days and cost us several hundred dollars in vet bills to do x-rays and medicine for the poor dog. What do you think a dog is going to do with a dog chew? Just find another product. This one isn't worth it.
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Reviewed in the United States on May 26, 2026
L
Verified Purchase
Lizy Bean
Carnegie, US
★★★★★ 5
It'll only last a week
Size: 5 Inch, Color: Classic Bone, Size: 5 Inch, Color: Classic Bone
We've only had it a few days and she's already half way through it. It won't last the week. She doesn't eat it, she spits out the pieces. If you buy it was a consumable, totally worth the money. I'll probably buy my power chewer a couple a month
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Reviewed in the United States on December 13, 2025
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Verified Purchase
Ginny from AZ
Belleville, US
★★★★★ 5
Good product
Size: 8 Inch, Color: Tree Branch
Dogs loved it. Good for keeping teeth clean
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Reviewed in the United States on May 30, 2026
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Verified Purchase
Frank
Lexington, US
★★★★★ 5
Dog loves these over any competition.
Size: 8 Inch, Color: Tree Branch
Minnie Aussie can chew these down to a stub but takes lots of work and totally takes her stress away. Only kind I'm buying in different varieties. Yes I've tried them all for my aggressive chewer and these have been the best. I've gone through a lot of these but are lasting about week with supervision. Make sure your buddy has plenty of water and give them in 1/2 hr increments.
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Reviewed in the United States on May 31, 2026

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