12 51 ENGINE WIRING HARNESS (M550i xDrive 2018-2019)
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12 51 TIGHTENING TORQUE OVERVIEW
| Battery ground lead to cylinder head cover | ||
| Earth pin | Tightening torque | 10 Nm |
| Battery positive lead to battery positive terminal | ||
| M8 | Tightening torque | 15 Nm |
| Engine wiring harness to cylinder head cover | ||
| M6 | Tightening torque | 10 Nm |
| Ground cable to ground pin | ||
| M5 | Tightening torque | 5 Nm |