Mishimoto 2015+ BMW F8X M3/M4 Performance Heat Exchanger

Mishimoto 2015+ BMW F8X M3/M4 Performance Heat Exchanger

Marsoni

M251S

$349.48

Get it in 3 business days with 1 day shipping. Friday, May 29

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

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I’ve been using these for several days now and I did notice a difference. I tend to get hot while sleeping, so I was curious if they would actually help, and they do feel cool when you lay on them. I also like that they’re soft and comfortable, not that weird texture some “cooling” products have. So far, I’ve been really happy with them.

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Reviewed in the United States on May 23, 2026

Verified Purchase

ryguy

Natrona Heights, US

★★★★★ 5

Soft and smooth cover

Color: Grey, Size: Body（20"X 54"）

This is a nice pillow cover overall. The fabric feels good and it's comfortable to sleep on, especially compared to a more basic cotton cover. It is maybe a little thinner than I expected, so if you want something thick and heavy this probably isn't that. But for a soft smooth cover that fits and feels decent, I think it's worth it. No major complaints from me after using it.

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Reviewed in the United States on May 16, 2026

Verified Purchase

Kindle Customer

Massapequa, US

★★★★★ 5

These are the ones you want

Color: Grey, Size: Body（20"X 54"）

May need to iron them out when wash/dried but my old ones still look new- soft, cooling, smooth, color is still great. Not itchy or cheap feeling. Buying a new set for family.

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Reviewed in the United States on May 15, 2026