Blocking the crankshaft in the TDC firing position of cylinder 1
WARNING: This page is about a different car, the 2025 BMW M4, 2024 BMW M4, 2023 BMW M4, 2022 BMW M4, and 2021 BMW M4. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
RISK OF DAMAGE
Damage to the engine.
If the engine is manually rotated in the wrong direction of rotation, the engine can be damaged.
Damage to the engine.
If the engine is manually rotated in the wrong direction of rotation, the engine can be damaged.
- Only rotate the engine manually in the correct direction of rotation: a) clockwise when looking at the damper, or b) counterclockwise when looking at the chain drive. b) applies only if the timing chain is installed in the rear.
- Turn the engine in the arrow direction to the TDC firing position of cylinder 1 using special tool 0 493 380 (11 6 480).
- Vehicles with automatic transmission:
Insert special tool 2 288 380 into the dowel hole up to dimension (X) .
Dimension (X) = 66 mm
- Vehicles with automatic transmission:
Special tool 2 288 380 incorrectly positioned.
TDC firing position of cylinder 1 not reached.
- Vehicles with automatic transmission:
Special tool 2 288 380 correctly positioned.
Engine is in the TDC firing position of cylinder 1.
- Vehicles with manual gearbox:
Insert special tool 2 288 380 into the dowel hole up to dimension (X) .
Dimension (X) = 61 mm
- Vehicles with manual gearbox:
Special tool 2 288 380 incorrectly positioned.
TDC firing position of cylinder 1 not reached.
- Vehicles with manual gearbox:
Special tool 2 288 380 correctly positioned.
Engine is in the TDC firing position of cylinder 1.