Installing the crankshaft

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
Engine damage caused by incorrectly installed bearing shells and bearing brackets .
If the bearing shells and bearing brackets are installed incorrectly, then engine damage can occur .

Always install all bearing shells and bearing brackets in the same position from which they were removed.

CAUTION: Heavy component .
Heavy components can lead to injury or damage .

Remove and install heavy components with the aid of another person/other persons.

Install the crankshaft (1) .

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NOTE: TECHNICAL INFORMATION
The crankshaft bearing cap, main bearing shell and guide bearing shell are aligned with each other.
Always install the crankshaft bearing cap, main bearing shells and guide bearing shells in the cylinder from which they were removed.

Courtesy of BMW OF NORTH AMERICA, INC.

Observe the assignment and numbering (1) to (7) of the main bearing caps.
(1) = Engine, front (vibration damper)

(7) = Clutch side
Position the main bearing caps (1) to (7) .
Replace screws (1) to (14) .
Parts: Screws
Tighten the screws in the sequence (1) to (14) with the special tool 0 490 504 (00 9 120) .

TIGHTENING TORQUES SPECIFICATION

Main bearing cap to crankcase
M10x85 Replace screws.	1. tightening torque	25 Nm
	2. Angle of rotation	65°
	3. Angle of rotation	65°
	4. Unscrew all screws .
	5. tightening torque	25 Nm
	6. Angle of rotation	65°
	7. Angle of rotation	65°

Fig 1: Crankshaft Bearing Cap Screws Tightening Sequence

Courtesy of BMW OF NORTH AMERICA, INC.