Relieving special tool for pre-tensioning timing chain at bank 1
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.
- Release the timing chain on the special tool 2 249 162 (1) by turning the hexagon bolt (2) .
The special tool 2 249 162 (1) remains in the cylinder head.