
CSF's High Performance Radiator is a direct upgrade for the B48 and B58-powered G29 Z4 and the G20/G21 330i and 330e. Built around a 2-row, 42mm core with CSF's B-Tube technology and new 5mm fins, it significantly increases cooling capacity over the factory radiator – ideal for tuned cars, hot climates and track use.
Fully TIG-welded aluminium construction, CNC-machined brackets and an OEM-style inlet and outlet make it a true plug-and-play installation, finished with a 1-hour hand polish.
Features
- 2-row, 42mm ultra-high-performance core with CSF exclusive B-Tube technology – approximately 15% more heat transfer surface area than conventional oval tubes
- New 5mm tall ultra-efficient multi-louvred fins for maximum surface area contact
- CNC-machined mounting brackets and OEM-style inlet/outlet
- 100% aluminium TIG-welded construction
- 1-hour "mirror finish" hand polish
- True plug-and-play drop-in fit – no modifications required
- Individually leak and pressure tested
- Replaces OEM part number 17 11 8 666 739
Fitment
- BMW G20 / G21 330i (incl. xDrive)
- BMW G20 / G21 330e (incl. xDrive)
- BMW G29 Z4 sDrive20i
- BMW G29 Z4 sDrive30i
- BMW G29 Z4 M40i