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Home >> BMW >> 2021 >> X3 xDrive30e >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Assembly, Cylinder Head -- Repair (G01) >> 11 12 Cylinder Head With Lid >> 11 12 100 Removing and installing cylinder head (X3 M40i, 2018-2019) >> Installing the cylinder head

Installing the cylinder head

NOTE: TECHNICAL INFORMATION 
After replacing the motor or cylinder head: Reprogram or encode the digital motor electronics (DME) if necessary.
Read out the vehicle I-level and proceed accordingly.
Be absolutely certain to pay attention to PuMA measure 62634754.
For further information, see the applicable BMW Parts Catalog.
G12728233Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTEN TORQUES SPECIFICATION

Cylinder head to crankcase (cylinder head bolt)
M11 x 188 13.9,
Screw head height 13 mm.
Replace screws.
1. Joining torque  30 Nm
2. Joining torque  50 Nm
3. Angle of rotation  90°
4. Angle of rotation  90°
5. Angle of rotation  90°
6. Angle of rotation  90°
M11 x 188 11.9,
Screw head height 11 mm.
Replace screws.
1. Joining torque  30 Nm
2. Angle of rotation  90°
3. Angle of rotation  90°
4. Angle of rotation  90°
TIGHTEN TORQUES SPECIFICATION

Cylinder head to crankcase/timing case cover
M8 x 40
Replace screws.
Tightening torque  19 Nm
G12728232Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTEN TORQUES SPECIFICATION

Camshaft sensor wheel to intake camshaft
M4 x35 Tightening torque  4.5 Nm
G12728230Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTEN TORQUES SPECIFICATION

Grounding cable to front cylinder head
M6 x 12 Tightening torque  8 Nm
TIGHTEN TORQUES SPECIFICATION

Acoustic cover, rear bottom on cylinder head
M6 x 16 Tightening torque  8 Nm
G12728228Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTEN TORQUES SPECIFICATION

Cable bracket on rear cylinder head/transmission
M6 x 20 Tightening torque  8 Nm
TIGHTEN TORQUES SPECIFICATION

Grounding cable on cylinder head
M6 x 16 Tightening torque  8 Nm

Follow-up work