11 31 CAMSHAFT (540i 2017-2020, 540i xDrive 2017-2020)
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11 31 CAMSHAFT - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Intake camshaft and exhaust camshaft to cylinder head | B42/B46/B48 | M6 screw, tensile strength 8.8 | Joining torque | 9.6 Nm |
| tightening torque | 9.6 Nm | |||
| 1AZ Intake camshaft and exhaust camshaft to cylinder head | B42/B46/B48 | M6 screw, tensile strength 10.9 | Joining torque | 11.8 Nm |
| tightening torque | 11.8 Nm | |||
| 2AZ Top tensioning rail | B42S20O0/B46M0/O0/B48M0/O0 | M6 | tightening torque | 10 Nm |
| 3AZ Guide rail/slide rail to cylinder head | B42S20O0/B46M0/O0/B48M0/O0 | M16 | Replace bearing journal. | 20 Nm |
| 4AZ Guide rail/slide rail to crankcase | B42S20O0/B46M0/O0/B48M0/O0 | M8 | Replace bearing journal. | 20 Nm |
| 5AZ Chain tensioner to cylinder head | B42S20O0/B46M0/O0/B48M0/O0 | Replace the sealing ring. | 70 Nm | |
| 6AZ Chain tensioner to crankcase | B42S20O0/B46M0/O0/B48M0/O0 | M6 | tightening torque | 10 Nm |
| 7AZ Camshaft sensor wheel to intake camshaft | B42S20O0/B46M0/O0/B48M0/O0 | M6 | tightening torque | 10 Nm |
11 31 CHAIN TENSIONER - TIGHTENING TORQUE SPECIFICATION
| Type | Thread | Tightening specifications | Dimension | |
|---|---|---|---|---|
| 1AZ Chain tensioner to cylinder head | 1. Tightening torque | 20 Nm | ||
| 2. Angle of rotation | 30° | |||
11 31 TIGHTENING TORQUE OVERVIEW
| Preload timing chain | ||
| tightening torque | 0.6 Nm | |