1153 THERMOSTAT, COOLANT LINES (X4 M40i 2019-2021)
1153 TIGHTENING TORQUE OVERVIEW
| Connecting bracket to engine block | ||
| M6 x 25 | Tightening torque | 10 Nm |
| Coolant feed line/coolant return line to exhaust turbocharger | ||
| M6 x 12 | Tightening torque | 8 Nm |
| Coolant feed line to engine block | ||
| M6 x 12 | Tightening torque | 8 Nm |
| Coolant return line to cylinder head | ||
| M6 x 12 | Tightening torque | 8 Nm |
| Coolant return line to trim strip | ||
| M6 x 12 | Tightening torque | 8 Nm |
| Heat management module to engine block | ||
| Captive screws | Tightening torque | 8 Nm |