SKU: 86699151213

Performance Heat Exchanger BMW M2, M3, M4 F8X

Sale price$368.55 Regular price$409.50
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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21

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Description

Performance Heat Exchanger BMW M2, M3, M4 F8XImprove the cooling capacity for your 20152020 BMW M3 or M4 with the Mishimoto Performance Heat Exchanger. Air to water intercooling is a 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 Ms packs quite a punch thanks to the A2W system. While the BMW engineers laid the

Improve the cooling capacity for your 2015–2020 BMW M3 or M4 with the Mishimoto Performance Heat Exchanger. Air-to-water intercooling is a 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 M’s packs quite a punch thanks to the A2W system. While the BMW engineers laid the foundation for dissipating heat from the intercooling system, we still saw some room to improve on their design.

We started by eliminating any bits of plastic and promptly replaced the end tanks, including the inlet and outlet ports, with durable aluminium. 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 150 mm, totaling in a 60% increase in core volume and a 180% increase in fin surface area. The end result of our improvements is a 6°C drop in global intercooling 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 an optional 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 includes the Mishimoto Lifetime Warranty for a worry-free install.

  • Direct fit for the 2015–2020 BMW M3, M4, and M2 Competition
  • 6°C drop in global intercooler coolant temperatures over stock
  • 60% increase in core volume
  • 180% increase in external fin surface area
  • Increases intercooler coolant capacity by 2.3 liters
  • Full aluminium, TIG-welded construction
  • Dual-pass design for maximum cooling
  • Variable fin-pitch design for improved airflow to DCT cooler
  • Includes optional stone guard for maximum protection against road debris
  • Mishimoto Lifetime Warranty
  • Material: Aluminium
  • Rows: 1
  • Coolant Capacity: 2.3L
  • Dual Pass: True
  • Engine Codes: S55
  • Chassis Codes: F80, F82, F83, F87
  • (1) Performance Heat Exchanger 
  • (1) Stone Guard
  • (1) Magnetic Drain Plug 
  • Mounting Hardware 
  • Mishimoto Lifetime Warranty
  • 2015–2018 BMW M3 Sedan
  • 2015–2020 BMW M4 Coupe
  • 2015–2020 BMW M4 Convertible
  • 2016 BMW M4 GTS Coupe 
  • 2019–2020 BMW M4 CS Coupe
  • 2019–2020 BMW M2 Competition
          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: 86699151213

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          4.5 ★★★★★
          Based on 25 reviews
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          Verified Purchase
          Martini81
          Pawtucket, US
          ★★★★★ 5
          Easy and simple: Exact Step-by-Step Guide to Reloading Your Balance
          Reload type: One Time Reload
          I found reloading my Amazon gift card balance much easier than expected. The process was simple and took about 5 minutes at most. Here are the exact steps to do it: ​Login: In the Amazon app or on Amazon.com, log in to your account. ​ Menu: Tap the 3 lines on the bottom right corner of your screen (next to Rufus, Amazon's AI). ​ Find Category: In the section highlighted "Shop by category," tap on Gifting & Registry (3rd option down in that section) and a drop-down menu will appear. ​ Select Gift Cards: On the drop-down menu, tap Gift Cards (first option). ​ Choose Your Action: "The Gift Card Shop" will appear. There you will have three options: "Redeem a gift card," "View your balance," and "Reload." ​ Start Reload: To add funds, tap Reload. ​ Select Type: Scroll down to "Add funds directly to your Amazon Gift Card balance" and tap which reload type you want (one-time, low balance auto-reload, or scheduled auto-reload). ​ Enter Amount: Choose your reload amount. The default is $25, but you can type in your own amount as well (the minimum amount is $5.00). ​ Finish: Tap the orange "Buy Now" tab. ***I used the Amazon app using the u i OneUI version 8.0 these Amazon app on Android version 16 (Baklava) on a Samsung Galaxy S25 Ultra. Others may have a slight variation of the menu setup on the Amazon app.***
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on April 22, 2026
          K
          Verified Purchase
          Kenneth Lucas
          Natrona Heights, US
          ★★★★★ 5
          Easy way to add balance
          Reload type: One Time Reload
          Reloading my Amazon gift card balance has been easy and convenient. I like using it when I want to keep a little money set aside for Amazon orders or make checkout quicker without thinking about which card I want to use. The process is straightforward, the balance shows up fast, and it has been reliable every time I have used it. It is also helpful for budgeting because I can add a set amount and then use that balance for regular purchases. Nothing complicated about it, which is exactly why I like it.
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on May 28, 2026
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          Verified Purchase
          Paola Rodriguez
          Massapequa, US
          ★★★★★ 5
          Great for Budgeting – Instant Balance and Easy to Use
          Reload type: One Time Reload
          I use Amazon’s gift card reload feature to plan my spending. It’s perfect when I know I want to make a purchase but prefer to set the funds aside first. I love that it’s immediate—no worries about pending charges or accidental spending from my card. It gives me peace of mind knowing that when I’m ready to buy, the balance is just sitting there, waiting. Pros: easy to use, instant balance update, helps with budgeting and avoiding overspending Cons: funds are locked into Amazon once reloaded, doesn’t count toward certain account requirements like review eligibility Overall, it’s a convenient and reliable way to manage spending on Amazon, especially if you like having control over your purchases.
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on May 1, 2026
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          Verified Purchase
          Lt. 635
          Belleville, US
          ★★★★★ 5
          I did this with a pay in 4. It made it super simple for a higher balance.
          Reload type: One Time Reload
          I’ve used this to reload my balance a few times, and it’s been simple and reliable. The process is quick, and the funds show up without any delays or issues. It’s a convenient option when you want to control spending or keep purchases separate without using a card each time. Everything is straightforward and easy to manage. I haven’t run into any problems with transactions or balance updates. It’s been consistent every time I’ve used it. Overall, it’s an easy and dependable way to keep funds ready to go without any hassle.
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on May 6, 2026
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          Verified Purchase
          M Osekou
          Lexington, US
          ★★★★★ 4
          Great for keeping bank statements clean but random security delays are frustrating
          Reload type: One Time Reload
          I use the balance reload tool to manage my monthly budget and easily hit credit card sign-up bonuses. It keeps my bank statements totally clean by grouping dozens of tiny e-book and movie rental charges into one single transaction. Most of the time the whole process works flawlessly and the money shows up in my account within five minutes. It is honestly the easiest way to put a hard limit on my family's everyday online shopping. You just need to watch out for a few annoying system quirks when you load larger amounts of money. Even though it usually works instantly the automated security filter sometimes flags big reloads and freezes the transaction for hours. This random delay is incredibly frustrating if you are trying to add cash fast to catch a lightning deal before it expires. You also have to remember that this balance is strictly non-refundable and cannot be used to buy other gift cards. Overall this is still a great method for organizing online spending and maximizing your cash-back credit card rewards. It totally fixed how I track household purchases but you definitely have to tolerate the occasional processing delays. My best advice is to load your account a day or two before you actually need to buy a big-ticket item. It works perfectly as a budgeting tool as long as you know the rules and plan for the random security hold.
          WAS THIS REVIEW HELPFUL?YesReportShare
          Reviewed in the United States on April 14, 2026

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