M18 and M18 x 1.5 - MAXIMUM TIGHTENING TORQUE
WARNING: This page is about a different car, the 2003 BMW Z8, 2002 BMW Z8, 2001 BMW Z8, and 2000 BMW Z8. However, it is still accessible from the selected car via links, so may be relevant.
TIGHTENING TORQUE SPECIFICATIONS (M18 AND M18 x 1.5)
| Application | Type | Thread | Tightening Specification |
|---|---|---|---|
| M18 thread | yellow (ZN) | M18 8.8 | 280 Nm |
| silver (ZNS) | M18 8.8 | 225 Nm | |
| yellow (ZN) | M18 10.9 | 390 Nm | |
| silver (ZNS) | M18 10.9 | 330 Nm | |
| yellow (ZN) | M18 12.9 | 470 Nm | |
| silver (ZNS) | M18 12.9 | 365 Nm | |
| M18 x 1.5 thread | yellow (ZN) | M18 x 1.5 8.8 | 313 Nm |
| silver (ZNS) | M18 x 1.5 8.8 | 245 Nm | |
| yellow (ZN) | M18 x 1.5 10.9 | 440 Nm | |
| silver (ZNS) | M18 x 1.5 10.9 | 360 Nm | |
| yellow (ZN) | M18 x 1.5 12.9 | 527 Nm | |
| silver (ZNS) | M18 x 1.5 12.9 | 400 Nm |