17 11 Radiator and Mounting Parts E89/N52K
WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
RADIATOR AND MOUNTING PARTS SPECIFICATION
| Cap for cooling system |
|
|
| Pressure relief valve opens at overpressure to ambient pressure |
bar |
1.4 +0.1-0.2 |
| Vacuum valve must open at latest at partial vacuum to ambient pressure |
bar |
0.1 |
| Test pressure, coolant radiator (gauge pressure) |
bar |
1.5 |