Preloading the timing chain of cylinder bank 2
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2023 BMW M5, 2022 BMW M5, 2021 BMW M5, 2020 BMW M5, and 2019 BMW M5. 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.
- Position the special tool 2 249 162 on the cylinder head and apply the screws (1) hand-tight.
- Exchange the screw (2)
on the special tool 2 249 162
with an (M8x15) hexagon screw.
- Pretension special tool 2 249 162
using special tool 0 496 778 (00 9 460)
at 0.6 Nm.
The flexible shaft on the special tool 0 496 778 (00 9 460) must not touch any other components, as the torque value will be falsified.
TIGHTENING TORQUES SPECIFICATION
| Preload timing chain | ||
| tightening torque | 0.6 Nm | |