CSF High-Performance front mount heat exchanger for the 2020+ Toyota GR Supra (A90) and its BMW B58 siblings including the 330i, 430i, M240i, M340i, M440i and Z4. It is critical for keeping charge air cool and out of limp mode, especially with upgraded turbos or performance tuning. The OEM B58 heat exchanger is a 1-row 25mm unit; CSF replaces it with its industry-exclusive 2-row 68mm B-Tube core, using a unique tank design so the larger core still fits the OEM housing. It includes billet transmission cooler mounts and a metal rock guard, and CSF is the only company to incorporate OEM transmission cooler mounting points for a true plug-and-play drop-in fit. Construction is 100% all-aluminum TIG-welded with CNC-machined brackets and OEM-style quick-connect fittings.
| Type | High-performance front mount heat exchanger (air-to-water charge cooler) |
| Material | 100% all-aluminum, TIG-welded |
| Core | 2-row, 68mm (CSF B-Tube technology) vs. OEM 1-row 25mm |
| Fins | 6.5mm tall multi-louvered |
| Inlet / Outlet | OEM-style quick-connect, CNC-machined mounting brackets |
| Finish | Smooth satin |
| Fit | Plug-and-play drop-in fit, no modifications |
| Included | Rock guard; billet transmission oil cooler mounting kit |
| Warranty | 2-year limited warranty |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2019-2025 | BMW | 330i | Base |
| 2019-2025 | BMW | 330i xDrive | Base |
| 2021-2026 | BMW | 430i | Base |
| 2022-2025 | BMW | 430i Gran Coupe | Base |
| 2021-2026 | BMW | 430i xDrive | Base |
| 2023,2025 | BMW | 430i xDrive Gran Coupe | Base |
| 2023-2025 | BMW | M240i | Base |
| 2022-2025 | BMW | M240i xDrive | Base |
| 2020-2025 | BMW | M340i | Base |
| 2020-2025 | BMW | M340i xDrive | Base |
| 2021-2026 | BMW | M440i | Base |
| 2022-2025 | BMW | M440i Gran Coupe | Base |
| 2021-2026 | BMW | M440i xDrive | Base |
| 2022-2025 | BMW | M440i xDrive Gran Coupe | Base |
| 2022-2026 | BMW | Z4 | M40i |
| 2020 | BMW | Z4 | M40i First Edition |
| 2020-2021 | BMW | Z4 | sDrive M40i |
| 2019-2026 | BMW | Z4 | sDrive30i |
| 2024 | Toyota | GR Supra | 45th Anniversary Edition |
| 2021-2022 | Toyota | GR Supra | A91 Edition |
| 2023 | Toyota | GR Supra | A91-MT Edition |
| 2020-2026 | Toyota | GR Supra | Base |
| 2020 | Toyota | GR Supra | Launch Edition |
| 2026 | Toyota | GR Supra | MkV Final Edition |
| 2020-2026 | Toyota | GR Supra | Premium |
