11 31 034 Removing and installing/replacing right inlet camshaft (S65)

Necessary preliminary tasks: 

• Remove right cylinder head cover  . 
• Remove right VANOS exhaust gear  . 
• Remove right VANOS inlet gear  

Release screws (1).

Tightening torque: 11 12 2AZ  . See CYLINDER HEAD .

E Intake camshaft

A Exhaust camshaft.

Fig 1: Identifying Inlet Camshaft Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Lubricate all bearing points with engine oil.

Release screws (1) from outside inwards in 1/2 turns.

Tightening torque: 11 12 2AZ  . See CYLINDER HEAD .

Installation: 

Lubricate all bearing points with engine oil.

Fig 2: Identifying Bearing Cap Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Check plain compression rings for damage and replace if necessary.

The plain compression rings have catches at the joint.

Press plain compression rings apart upwards and downwards and remove towards front.

Fig 3: Pressing Plain Compression Rings Upwards And Downwards

Courtesy of BMW OF NORTH AMERICA, INC.

Insert inlet camshaft (1) for cylinders 1 to 4.

Designation (E1) on dihedron points upwards.

Cams on cylinders (1 and 3) point upwards at an angle.

Installation: 

Lubricate all bearing points with engine oil.

Fig 4: Identifying Cams On Cylinders

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

All bearing shells are assigned to one cylinder.

E and A from (1 to 8), e.g. E 1= inlet side on 1st cylinder.

Arrow (1) must point in direction of travel to chain drive.

Fig 5: Identifying Bearing Shells Mark

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) from inside outwards in 1/2 turns.

Tightening torque: 11 12 2AZ  . See CYLINDER HEAD .

Installation: 

Lubricate all bearing points with engine oil.

Fig 6: Identifying Bearing Cap Screws

Courtesy of BMW OF NORTH AMERICA, INC.

Adjust valve timing.

Assemble engine.