The CSF Racing 8131 is a triple-pass front-mount heat exchanger for the 2016-2021 BMW F2X and F3X cars with the B58 turbo 3.0L inline-6 (M240i, 340i, 440i) and the B48 turbo 2.0L (230i, 330i, 430i, plus 330e), lowering intake air temperatures for maximum performance. It uses a 68mm 2-row core with CSF's B-Tube Technology, described as the world's largest 2-row core, with a triple-pass flow that circulates water through the cooler three times, and 6.5mm multi-louvered fins. It is a plug-and-play fit with a detachable rock guard, CNC-machined brackets and quick-connect fittings, and a polished silver finish. A satin black version is available as 8131B.
- Type: triple-pass front-mount heat exchanger
- Core: 68mm 2-row, B-Tube Technology
- Fins: multi-louvered, 6.5mm fin height
- Flow: triple-pass
- Engines: B58 turbo 3.0L (M240i/340i/440i), B48 turbo 2.0L (230i/330i/430i/330e)
- Included: detachable rock guard
- Finish: polished silver (black: 8131B)
- Part number: 8131
Vehicle Applications
Direct fit on the following:
- 2016 BMW 230i (F22/F23)
- 2017 BMW 230i (F22/F23)
- 2018 BMW 230i (F22/F23)
- 2019 BMW 230i (F22/F23)
- 2020 BMW 230i (F22/F23)
- 2021 BMW 230i (F22/F23)
- 2016 BMW M240i (F22/F23)
- 2017 BMW M240i (F22/F23)
- 2018 BMW M240i (F22/F23)
- 2019 BMW M240i (F22/F23)
- 2020 BMW M240i (F22/F23)
- 2021 BMW M240i (F22/F23)
- 2016 BMW 330i (F30/F31)
- 2017 BMW 330i (F30/F31)
- 2018 BMW 330i (F30/F31)
- 2019 BMW 330i (F30/F31)
- 2020 BMW 330i (F30/F31)
- 2021 BMW 330i (F30/F31)
- 2016 BMW 340i (F30/F31)
- 2017 BMW 340i (F30/F31)
- 2018 BMW 340i (F30/F31)
- 2019 BMW 340i (F30/F31)
- 2020 BMW 340i (F30/F31)
- 2021 BMW 340i (F30/F31)
- 2016 BMW 430i (F32/F33/F36)
- 2017 BMW 430i (F32/F33/F36)
- 2018 BMW 430i (F32/F33/F36)
- 2019 BMW 430i (F32/F33/F36)
- 2020 BMW 430i (F32/F33/F36)
- 2021 BMW 430i (F32/F33/F36)
- 2016 BMW 440i (F32/F33/F36)
- 2017 BMW 440i (F32/F33/F36)
- 2018 BMW 440i (F32/F33/F36)
- 2019 BMW 440i (F32/F33/F36)
- 2020 BMW 440i (F32/F33/F36)
- 2021 BMW 440i (F32/F33/F36)
FAQ
What vehicles does the CSF Racing 8131 fit?
The 2016-2021 BMW F2X/F3X B58 and B48 cars: 230i, 330i, 430i, 340i, 440i, M240i, and 330e.
What is triple-pass flow?
Water circulates through the cooler three times before returning to the charge cooler, for lower intake air temperatures.
Does it include a rock guard?
Yes. It includes a detachable rock guard. A black version is available as 8131B.
How large is the core?
A 68mm 2-row core, described by CSF as the world's largest 2-row core.

