17 11 Radiator and Mounting Parts M52TU / M54
WARNING: This page is about a different car, the 2002 BMW Z3 and 2001 BMW Z3. However, it is still accessible from the selected car via links, so may be relevant.
RADIATOR AND MOUNTING PARTS M52TU/M54 TECHNICAL SPECIFICATION
| Cap for cooling system | ..... | ..... |
| Pressure relief valve opens at overpressure to ambient pressure | bar | 2+0.1 -0.2 |
| Vacuum valve must open at latest at partial vacuum to ambient pressure | bar | 0.1 |
| Test pressure, radiator (gauge pressure) | bar | 2.0 |