CSF Gen 1 B58 charge-air-cooler manifold for the BMW B58 platform (340i, 440i, 540i, 740i, M240i, X3/X4 M40i). Replaces the heat-soak-prone OEM unit with a motorsports-grade bar/plate air-to-water core offering double the OEM water-cooling capacity (12 rows vs 6). Plug-and-play with no modifications, per-runner 1/8in NPT ports for nitrous or water/methanol injection, an included KIYLEX thermal rejection spacer, and easy spin-off oil filter access.
| Type | Air-to-water charge-air-cooler manifold |
| Core | Motorsports-grade bar/plate - 12 rows water cooling (double OEM) |
| Finish | Machined Raw Billet Aluminum |
| Features | Per-runner nitrous/water-methanol injection ports - KIYLEX thermal spacer - included fuel rail for top-feed port injection - spin-off oil filter access |
| Mount | Plug-and-play - no modifications (includes 32-part hardware kit) |
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2018 | BMW | 340i | Base |
| 2017-2019 | BMW | 340i GT xDrive | Base |
| 2016-2018 | BMW | 340i xDrive | Base |
| 2017-2020 | BMW | 440i | Base |
| 2017-2020 | BMW | 440i Gran Coupe | Base |
| 2017-2020 | BMW | 440i xDrive | Base |
| 2017-2020 | BMW | 440i xDrive Gran Coupe | Base |
| 2017-2019 | BMW | 540i | Base |
| 2017-2019 | BMW | 540i xDrive | Base |
| 2018-2019 | BMW | 640i xDrive Gran Turismo | Base |
| 2017-2019 | BMW | 740i | Base |
| 2017-2019 | BMW | 740i xDrive | Base |
| 2018-2021 | BMW | M240i | Base |
| 2017-2021 | BMW | M240i xDrive | Base |
| 2018-2019 | BMW | X3 | M40i |
| 2017-2019 | BMW | X4 | M40i |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
