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Home >> BMW >> 2021 >> 840i 2D Convertible >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Cylinder Head -- Repair (G14, G15, & G16) (1 Of 7) >> 11 12 Cylinder Head >> 11 12 000 Removing and installing/sealing cylinder head cover (840i and 840i xDrive coupe/convertible/Gran Coupe sedan) >> Installing cylinder head cover

Installing cylinder head cover

Bolts of the cylinder head cover 

Fig 1: Cylinder Head Cover Screws Tightening Sequence
G15646430Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: RISK OF DAMAGE 
Improper routing of cables and wiring harnesses. 
Trapped, crushed or damaged cables may cause short circuits and malfunctions. 
  • Route all cables without abrasions, do not trap and crush.
NOTE: TECHNICAL INFORMATION 
Detents, guides and mounting elements must not be damaged or missing.
TIGHTENING TORQUE SPECIFICATIONS

Cylinder head cover to cylinder head
M6X30 Joining torque  8 Nm
Fig 2: Cylinder Head Cover Screws Tightening Sequence
G14228454Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Cylinder head cover to cylinder head
M6X30 tightening torque  11 Nm
TIGHTENING TORQUE SPECIFICATIONS

Auxiliary coolant pump holder to cylinder head
M6 tightening torque  7 Nm
G14228445Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Standard screw connection M6
M6 Tightening torque  8 Nm
G14228447Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The following step(s) must be performed if the listed component(s) is/are installed.
TIGHTENING TORQUE SPECIFICATIONS

Differential pressure sensor to holder
TS6X18 Tightening torque  3.5 Nm
G14228448Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Improper routing of the positive battery cable. 
Risk of short circuits! 
  • Route the positive battery cable without abrasions and do not trap.
G14191156Courtesy of BMW OF NORTH AMERICA, INC.
TIGHTENING TORQUE SPECIFICATIONS

Holder, positive battery cable to cylinder head cover
6X18 Tightening torque  6 Nm
G14228452Courtesy of BMW OF NORTH AMERICA, INC.

Follow-up work