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CSF F1X M5/M6 and F9X M5/M8 High-Performance Engine Oil Cooler

Marsoni M251S
Sale price$349.50
Pay 4 payments of $87.38 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
CSF F1X M5/M6 and F9X M5/M8 High-Performance Engine Oil CoolerSKU: 8317 CSF F1X M5 M6 & F9X M5 M8 High Performance Engine Oil Cooler The BMW S63 Twin Turbo V8 is the beating heart of the F1X M5 M6 and F9X M5 M8, delivering incredible performance. Over the years, CSF has been a key player in pushing the power limits of the S63 with its Twin Charge Air Coolers (CSF #8109 & CSF #8178). Today, many M5s, M6s, and M8s are producing well over 1000HP, but with increased power comes increased heat High Efficiency &
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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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4.2 ★★★★★
Based on 2462 reviews
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Allen Hickman
San Leandro, US
★★★★★ 1
Low Quality Bag Not Worth the Price
This fender bag is very low-quality material. It is like a hard cardboard covered in cheap formed thin plasticky material. It is not as described or pictured and definitely NOT worth the money. Returning for REFUND. Disappointed!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 2, 2024
D
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Diane Underwood
Louisville, US
★★★★★ 5
Fit!
Perfect
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Reviewed in the United States on March 20, 2026
J
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james177us
Chelsea, US
★★★★★ 1
Stay away
Do not buy these, they will melt.
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Reviewed in the United States on September 9, 2025
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julio diaz
Port Orchard, US
★★★★★ 5
Fit very well
Yes
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Reviewed in the United States on December 18, 2025
D
Verified Purchase
Dakota
Omaha, US
★★★★★ 4
Fit. With Modification.
I lost one of my housings on the freeway and had a hard time finding the style I had. Different than the standard, but not the Euro ones. Hard to find, at least for me. These were a bit closer to what mine looked like. I had to remove the rubber gasket around the housing to get it to fit (2003 330XI) but it worked like a charm.
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Reviewed in the United States on January 16, 2025

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