Removing and installing/replacing left intake camshaft (S63T2) (X5 M)

Special tools required: 

• 11 4 480

  (cylinder bank 5 to 8) 

  Necessary preliminary tasks: 

  • Remove the FRONT AXLE completely with the engine and transmission.
  • Remove LEFT CYLINDER HEAD COVER .
  • Check TIMING .
  • Remove LEFT INLET ADJUSTMENT UNIT .
  • Remove INTERMEDIATE LEVER  with torsion spring.

  Release screws of camshaft bearings in 1/2 revolutions.

  Set down all bearing caps in a tidy and orderly fashion on special tool 11 4 480.

  Remove the intake camshaft "E 58".

  Courtesy of BMW OF NORTH AMERICA, INC.

  IMPORTANT: Used rocker arms (1) may only be reused in the same position. 
  NOTE: Rocker arms (1) are freely accessible after inlet camshaft has been removed.
  Do "not" remove rocker arm (1) on intake side.

  Courtesy of BMW OF NORTH AMERICA, INC.

  Check plastic plain rectangular compression rings (1) for freedom of movement.

  Courtesy of BMW OF NORTH AMERICA, INC.

  Plastic plain rectangular compression ring: 

  Installation note: 

  The plastic plain rectangular compression rings are maintenance free and do not have to be replaced.

  Insert plastic plain rectangular compression ring (1) into groove of intake camshaft (2) (see arrow).

  Lightly oil plastic plain rectangular compression ring (1) and rotate in direction of arrow until plastic plain rectangular compression ring (1) is positioned on the intake camshaft.

  Courtesy of BMW OF NORTH AMERICA, INC.

  NOTE: Intake camshaft (1) of cylinder banks 5 to 8 is marked with "E 58".

  Courtesy of BMW OF NORTH AMERICA, INC.

  Insert intake camshaft (1).

  Illustration: Cylinders 1 to 4.

  Courtesy of BMW OF NORTH AMERICA, INC.

  Attach all bearing caps from (E1 to E5).

  Screw all bearing caps.

  Tightening torque 11 31 6AZ .

  Courtesy of BMW OF NORTH AMERICA, INC.

  Install ALL INTERMEDIATE LEVERS WITH TORSION SPRINGS .

  Install INLET ADJUSTMENT UNITS .

  Adjust VALVE TIMING .

  Assemble engine.