CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module

CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module

Marsoni

M251S

$597.50

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

CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler ModuleSKU: 8331 UPC: 710353083314 CSF BMW F9X X3M X4M High Performance Heat Exchanger and Transmission Cooler Module 2020 2025 Replace the factory cooling module on your 2020 2025 BMW X3M X4M with CSF's 8331 high performance heat exchanger and transmission cooler. This all aluminum unit delivers increased cooling capacity for charge air and transmission fluid during demanding drives. Direct bolt on design ensures easy upgrade while protecting vital

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Your CSF BMW F9X X3M/X4M High-Performance Heat Exchanger and Transmission Cooler Module orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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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.
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I am SO glad I just saw this pop up in my "purchased" items category...I am not only a Do it yourselfer but I also perform service work for a group of clients as well and I have to say I had a version of this before and threw it out after many years of service due to the fact it started dripping/leaking and I did not want to waste time trying to find it! with that said I purchased this and "What a mistake" every time I change the oil if it does not hit exactly the right angle or area the oil just ricochets off the surface and splashes all over the garage surface (especially when working with 0w20 type oil - thin)...I think this one will be seeing the can soon as well even after only 30-40 uses!!

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Reviewed in the United States on May 14, 2026

Verified Purchase

Ivan

Pawtucket, US

★★★★★ 4

Rare Small Leaks

Style: 16 Quart Drain Pan

These work well but i have noticed that they leak in small amounts from time to time. Can be a little annoying when transporting used oil or coolant to be recycled.

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Reviewed in the United States on December 6, 2025