CSF Race-Spec Oil Cooler - BMW E9x M3

Marsoni

M251S

$299.50

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

CSF Race-Spec Oil Cooler - BMW E9x M3Race spec oil cooler from CSF. Designed and developed in collaboration with high performance supercharger system manufacture, VF Engineering. Drop in fit requiring no modifications to install. Accepts all attaching OEM components including oil line connections, mounting brackets, and shroud ducting. The only cooler available on the market today that requires no cutting of shroud. Fully TIG welded cast endtank design vs. OEM mechanically jointed and

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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 bought them in black and I like them so much I will be buying the brown soon. They fit true to size and are comfortable and stylish. I like the clean simplicity. They're basically a dressy sneaker which is perfect for my job's 'dress code'. Yet they're stylish enough to be worn weekends or a night out. They seemed just a touch stiff out of the box but IMO that's completely normal and fine - after just a couple days of wearing them they are breaking in nicely. No complaints on that. They seem to be of very high quality and I'm very happy with them.

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Reviewed in the United States on February 8, 2026