CSF high-performance all-aluminum radiator for the BMW E28 M5 (US and Euro) and E24 M6/M635CSi/635CSi, developed with A/C Solutions for exact fitment. A 1-row 31mm ultra-high-performance core with CSF's B-Tube technology and multi-louvered fins, TIG-welded with CNC-machined brackets and OE-style inlet/outlet. True plug-and-play drop-in fit with two M14x1.5 sensor ports; satin black finish. 2-year warranty.
Specifications
| Type | High-performance all-aluminum radiator |
| Core | 1-row 31mm, B-Tube technology, TIG-welded |
| Finish | Satin black |
| Install | Plug-and-play drop-in |
| Warranty | 2-year limited |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1985-1989 | BMW | 635CSi | Base |
| 1988 | BMW | M5 | Base |
| 1987-1988 | BMW | M6 | Base |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
