The CSF cooling module is a high-performance upgrade for the BMW F97 X3 M and F98 X4 M (S58), combining an upgraded heat exchanger and a dedicated transmission oil cooler in a single integrated unit. The 2-row 42mm core dramatically increases cooling capacity over the OE setup, holding both coolant and transmission temperatures down during track use and high-load driving. Direct-fit to the factory location.
| Brand | CSF |
| Type | Combined heat exchanger + transmission oil cooler module |
| Core | 2-row, 42mm |
| Engine | S58 |
| Fitment | Direct-fit; factory location |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2020+ | BMW | X3 M (F97) | incl. Competition (S58) |
| 2020+ | BMW | X4 M (F98) | incl. Competition (S58) |
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