Preloading the timing chain of cylinder bank 1
WARNING: This page is about a different car, the 2022 BMW X7, 2021 BMW X7, 2020 BMW X7, and 2019 BMW X7. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
RISK OF DAMAGE
Damage to timing chain or timing chain drive .
Turning the engine without chain tensioner or special tool can result in damage to the timing chain and timing chain drive .
Damage to timing chain or timing chain drive .
Turning the engine without chain tensioner or special tool can result in damage to the timing chain and timing chain drive .
- Always turn the engine with the chain tensioner or the special tool.
- Hand-tighten the bolts (1) .
- Pre-tension timing chain on special tool 2 249 162 at hexagon screw (2) with special tool 0 496 778 (00 9 460) to 0.6 Nm .
TIGHTENING TORQUES SPECIFICATION
| Preload timing chain | ||
| tightening torque | 0.6 Nm | |