17 11 Engine oil cooler and mounting parts E89/N54/N54T
WARNING: This page is about a different car, the 2016 BMW Z4, 2015 BMW Z4, and 2014 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE OIL COOLER AND MOUNTING PARTS SPECIFICATION
| Cap for cooling system | ||
| Pressure relief valve opens when the pressure exceeds the ambient pressure. | bar | 1.4 +0.1-0.2 |
| Electric changeover valve must open at latest when the pressure is lower than the ambient pressure | bar | 0.1 |
| Test pressure, radiator (excess pressure) | bar | 1.5 |