11 65 Turbocharger and Control
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2018 BMW M6, 2018 BMW 650i xDrive, 2018 BMW 650i, 2018 BMW 640i xDrive, and 2018 BMW 640i. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - TURBOCHARGER AND CONTROL
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Exhaust turbocharger to cylinder head | N55 | M7 | Replace flange nut. | 13 Nm |
| 2AZ | Heat shield/retaining plate to crankcase top section | N55 | M6 x 16 | 8 Nm | |
| 3AZ | Pressure converter (EPDW) to cylinder head. | N55 | M6 x 16 | 8.5 Nm | |
| 4AZ | Pressure converter (EPDW) to holder with heat shield. | N55 | M6 x 16 | 9 Nm | |
| 5AZ | Vacuum unit (wastegate valve) to bracket | N55 | M6 | 7 Nm | |
| 6AZ | Lock nut to vacuum unit (wastegate valve) linkage | N55 | M6 | 7 Nm | |
| 7AZ | Bracket, vacuum unit (wastegate valve), to turbocharger | N55 | M8 | 7 Nm | |
| 8AZ | Holder to exhaust turbocharger. | N55 | M8 | 20 Nm | |
| 9AZ | Exhaust turbocharger holder to cylinder crankcase. | N55 | M8 | Replace microencapsulated screws | 20 Nm |