The CSF transmission oil cooler is a high-performance upgrade for the 2021+ BMW G8X M3 and M4 and 2022+ M2 with the ZF8 automatic. Its dual-pass design delivers roughly three times the cooling capacity of the OE unit, keeping transmission temperatures in check during track use, spirited driving, and high-load conditions. Direct-fit to the factory location with stock line connections.
Specifications
| Type | Transmission oil cooler (performance upgrade) |
| Core | Dual-pass; ~3x OE cooling capacity |
| Transmission | ZF8 automatic |
| Fitment | Direct-fit; factory location |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2021+ | BMW | M3 (G80) | ZF8 automatic |
| 2021+ | BMW | M4 (G82/G83) | ZF8 automatic |
| 2022+ | BMW | M2 (G87) | ZF8 automatic |
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.
