12 90 Electronics box, wiring harness (N54, N52K)
WARNING: This page is about a different car, the 2011 BMW Z4, 2010 BMW Z4, and 2009 BMW Z4. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATION - ELECTRONICS BOX, WIRING HARNESS (N54, N52K)
| Type | Thread | Tightening specification | Measure | ||
|---|---|---|---|---|---|
| 1AZ | Electronics box lid to electronics box | N54/N52K | 5 Nm | ||
| 2AZ | Earth cable to cylinder head cover | N52K/N54 | M5 | 5 Nm | |
| 3AZ | Earth cable to holder, electric coolant pump | N52K/N54 | M8 | Replace aluminium screw | |
| Jointing torque | 8 Nm | ||||
| Torque angle | 45 ° | ||||
| 4AZ | Cable duct to cylinder head cover | N54 | M6 | 8 Nm | |