Technical Data - Repair (F87): Radiator
N55 ENGINE (UP TO MODEL YEAR 2018):
17 11 RADIATOR WITH MOUNTING F20/F21/F22/F23/F30/F31/F32/F33/F34/F35/F36/N55/N55 HYBRID 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 radiator pressure (excess pressure) | bar | 1.5 |
S55 ENGINE (AS OF MODEL YEAR 2019):
17 11 RADIATOR WITH MOUNTING F80/F82/F83/S55 - TECHNICAL DATA SPECIFICATION
| Cap for cooling system | ||
| Pressure relief valve opens when the pressure exceeds the ambient pressure. | bar | 2.0 +0.1 -0.2 |
| Electric changeover valve must open at latest when the pressure is lower than the ambient pressure | bar | 0.1 |
| Test radiator pressure (excess pressure) | bar | 1.5 |