11 51 COOLANT PUMP WITH DRIVE (540i 2017-2020, 540i xDrive 2017-2020)
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11 51 COOLANT PUMP - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Coolant pump to component carrier | B42S20O0/B46M0/O0/B48M0/O0 | M6 | Tightening torque If the coolant pump is reused apply liquid seal 2.2. |
10 Nm |
| 2AZ Thermostat cover to component carrier | B42S20O0/B46M0/O0/B48M0/O0 | M6 | Tightening torque | 10 Nm |
| 3AZ Coolant pump housing/component carrier to crankcase | B42S20O0/B46M0/O0/B48M0/O0 | M8x35 | Tightening torque | 19 Nm |
| 4AZ Auxiliary coolant pump to engine block | B42S20O0/B46M0/O0/B48M0/O0 | M8x22 | Tightening torque | 19 Nm |
| 5AZ Electric coolant pump to holder | B42S20O0/B46M0/O0/B48M0/O0 | hexagon nut M6 | Tightening torque | 8 Nm |
| 6AZ Auxiliary coolant pump holder to cylinder head | B42S20O0/B46M0/O0/B48M0/O0 | M6x16 | Tightening torque | 8 Nm |
| 7AZ Belt pulley to coolant pump | B42S20O0/B46M0/O0/B48M0/O0 | M6x16 | Tightening torque If the screws are reused, clean the thread and coat with Loctite 243. |
8 Nm |