The CSF 8315 is a high-performance liquid-to-air charge-air-cooler set for the BMW F95 X5 M and X5 M Competition, F96 X6 M and X6 M Competition, and G09 XM and XM Label with the S63 twin-turbo 4.4L V8. Each cooler has a custom CSF liquid-to-air core, developed with CFD analysis and testing, that is about 100 percent larger than the factory unit, with one-piece seamless air-inlet end tanks with integrated charge pipes, 100 percent TIG-welded cast end tanks, and dual 1/8 NPT injection ports. It is sold as a complete left-and-right set with installation hardware, in a crinkle black finish, and is a drop-in fit requiring no modifications. CSF also lists this cooler for the S68-powered X5, X6, and X7 M60i.
- Type: liquid-to-air charge-air-cooler set (left and right)
- Core: custom CSF liquid-to-air, about 100 percent larger than OEM per cooler
- Construction: one-piece inlet tanks with integrated charge pipes, 100 percent TIG-welded cast tanks
- Ports: dual 1/8 NPT injection
- Engine: S63 twin-turbo 4.4L V8 (also listed for S68 M60i)
- Finish: crinkle black
- Fitment: complete set, drop-in, no modifications
- Part number: 8315
Vehicle Applications
Direct fit on the following (S63 4.4L V8):
- 2020 BMW X5 M (F95)
- 2021 BMW X5 M (F95)
- 2022 BMW X5 M (F95)
- 2023 BMW X5 M (F95)
- 2024 BMW X5 M (F95)
- 2025 BMW X5 M (F95)
- 2019 BMW X6 M (F96)
- 2020 BMW X6 M (F96)
- 2021 BMW X6 M (F96)
- 2022 BMW X6 M (F96)
- 2023 BMW X6 M (F96)
- 2024 BMW X6 M (F96)
- 2025 BMW X6 M (F96)
- 2023 BMW XM (G09)
- 2024 BMW XM (G09)
- 2025 BMW XM (G09)
FAQ
What vehicles does the CSF 8315 fit?
The BMW F95 X5 M, F96 X6 M, and G09 XM with the S63 4.4L V8; CSF also lists it for the S68 X5/X6/X7 M60i.
How much larger are the cores?
About 100 percent larger than the factory units, per cooler.
Is it sold as a pair?
Yes. It is sold as a complete left-and-right set with installation hardware.
Is it a drop-in fit?
Yes. It is a drop-in fit that requires no modifications.

