11 65 Turbocharger and Control
WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS - 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 |