11 12 106 Removing And Installing Right Cylinder Head (N62 To 9/03): Notes

(cylinder bank 1 to 4) 

Remove right exhaust manifold.  See 18 40 020 REMOVING AND INSTALLING/REPLACING RIGHT EXHAUST MANIFOLD (N62, N62TU) .

After removing exhaust manifolds: 

Reinstall front axle bracket provisionally and remove special tool for securing engine in installation position.

Open drain plug for coolant on right side of engine block.

Drain off coolant and dispose of correctly.

Installation: 

Replace sealing ring.

Tighten drain plug. Tightening torque. See ENGINE - TIGHTENING TORQUES -- ALPINA .

Top up coolant.

Vent cooling system and check for leaks.  See 17 00 039 VENTING COOLING SYSTEM AND CHECKING FOR LEAKS (N62, N62TU) .

Remove ignition coils on cylinder bank 1 to 4.

Remove servomotor for right eccentric shaft. See 11 37 024 REMOVING AND INSTALLING/REPLACING SERVOMOTOR FOR RIGHT ECCENTRIC SHAFT (N62/N62TU) .

Remove right cylinder head cover.  See 11 12 006 REMOVING AND INSTALLING/SEALING RIGHT CYLINDER HEAD COVER (N62/N62TU) .

Remove intake air manifold.  See 11 61 050 REMOVING AND INSTALLING INTAKE AIR MANIFOLD (N62) .

Remove right timing case cover.  See 11 14 085 REMOVING AND INSTALLING TOP RIGHT TIMING CASE COVER (N62 / N62TU) .

Unfasten plug connection.

Place engine wiring harness to one side.

Remove spark plugs on cylinder bank 1 to 4.

Remove vent hose on cylinder head.

Detach hose (1) on check valve (4). Unfasten screws (2).

Release screw (3) and remove check valve (4), tube (5) and spacer bushing.

Unclip cables (6 and 7).

Fig 1: Identifying Hose On Check Valve

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Replace sealing ring on tube (5) and coat with antiseize agent.