Description
Product overview
The CSF 8355 is the F87 M2 (N55) / F3X 340i/440i / F2X M240i High-Performance Auxiliary Radiator.
The radiator transfers heat from circulating engine coolant to the air passing through its core. Tube and fin condition, fan operation, and the airflow path all affect the cooling system’s ability to reject heat.
Technical features
- Sold Individually - most applications use 2 auxiliary radiators
- Multi-Fit - Fits Both Left & Right Side
- 2-Row - 42mm High-Performance Core with B-Tube cooling tubes
- 5mm Tall Fins with a Multi-Louvered Design
- Tank Volume and Core Size Increased
- OEM Style "Quick Connect" Inlet/Outlet
- True "Drop-in Fit" Requires No Modifications to Install
- Includes Detachable Rock Guard
- Individually Leak and Pressure Tested
- High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement
- Satin Black Finish for OEM+ Look
Installation and compatibility
Match the engine, transmission, and chassis application shown below. Check hose routing, fan and shroud clearance, and the condition of the rest of the cooling system during installation. Fill and bleed using the procedure specified for the vehicle.
Vehicle fitment
| Year Range | Make | Chassis Code | Model | Trim | Engine / Trans / Etc | Notes |
|---|---|---|---|---|---|---|
| 2016-2018 | BMW | F87 | M2 | - | Turbocharged 3.0L L6 | Only Requires 1 |
| 2016-2018 | BMW | F30 | 340i | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2016-2018 | BMW | F30 | 340i xDrive | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2019 | BMW | F34 | 340i GT xDrive | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2020 | BMW | F32/F33 | 440i | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2020 | BMW | F32/F33 | 440i xDrive | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2020 | BMW | F36 | 440i Gran Coupe | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2020 | BMW | F36 | 440i xDrive Gran Coupe | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2020 | BMW | F32/F33 | 430i | - | Turbocharged 2.0L L4 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2020 | BMW | F32/F33 | 430i xDrive | - | Turbocharged 2.0L L4 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2020 | BMW | F36 | 430i Gran Coupe | - | Turbocharged 2.0L L4 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2020 | BMW | F36 | 430i xDrive Gran Coupe | - | Turbocharged 2.0L L4 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2021 | BMW | F22/F23 | M240i | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
| 2017-2021 | BMW | F22/F23 | M240i xDrive | - | Turbocharged 3.0L L6 | BMW: 17-11-8-625-447 Only - See Fitment Notes |
Part number: CSF 8355.