12 31 ALTERNATOR AND BELT TENSIONER (540i 2017-2020, 540i xDrive 2017-2020)
12 31 TIGHTENING TORQUE OVERVIEW
| Alternator on component carrier | ||
| M10x75 | tightening torque | 38 Nm |
| M10x125 | tightening torque | 38 Nm |
| M10x90 | tightening torque | 38 Nm |
| Belt tensioner to alternator/starter motor generator | ||
| M8X30 | Tightening torque | 28 Nm |
| Holder on intake plenum | ||
| TS5x25 | Tightening torque | 5 Nm |
| Positive battery cable to the alternator | ||
| M8 | Tightening torque | 19 Nm |