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11 36 635 Removing and installing/replacing distributor on right camshaft adjustment unit (M62 VANOS from 9/98)

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 BMW 540i, 2002 BMW 540i, 2001 BMW 540i, 2000 BMW 540i, and 1999 BMW 540i. However, it is still accessible from the selected car via links, so may be relevant.

Removal 

Removal of the camshaft adjustment unit distributor is described separately from installation.

Remove right camshaft adjustment unit, refer to 11 36 615 REMOVING AND INSTALLING/REPLACING RIGHT CAMSHAFT ADJUSTMENT UNIT (M62 VANOS FROM 9/98) .

NOTE: After releasing, oil drips out of the solenoid valve.

Have a cleaning cloth ready.

Make sure no oil drips onto the belt drive. Remove any remnants of oil immediately with cleaning cloth.

Release solenoid valve with special tool 11 6 420.

Fig 1: Releasing Solenoid Valve With Special Tool 11 6 420
G03152727Courtesy of BMW OF NORTH AMERICA, INC.

Feed timing chain out of camshaft adjustment unit distributor. Secure timing chain to prevent it from sliding down.

NOTE: Screw (1) with sealing ring.

Release screws on camshaft adjustment unit distributor.

Fig 2: Feeding Timing Chain Out Of Camshaft Adjustment Unit
G03152728Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: If the camshaft adjustment unit distributor and the seal (three plain compression rings) are worn, the removal operation may be awkward.

By moving it back and forth, carefully detach distributor straight from camshaft.

Fig 3: Detaching Distributor Straight From Camshaft
G03152729Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The camshaft adjustment unit distributor is sealed on the inside with plain compression rings.

Traces of wear on the distributor plain compression rings up to a depth of approx. 0.1 to 0.2 mm are normal.

If there is pitting or scoring in the longitudinal direction, the plain compression rings and the distributor must be replaced.

If necessary, remove seal (three plain compression rings).

NOTE: The plain compression rings have catches at the joint.

Press compression ring (1) upwards as far as possible and remove catch.

Carefully pull compression ring (1) apart and remove towards front.

Fig 4: Removing Compression Ring Apart
G03152730Courtesy of BMW OF NORTH AMERICA, INC.

Installation 

If necessary, replace seal (three plain compression rings).

Carefully pull compression ring (1) apart and install.

Press compression ring (1) upwards as far as possible and install catch.

Fig 5: Pressing Compression Ring Upwards
G03152731Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The gasket is secured in a groove on the camshaft bearing cover and over the non-return valve (1).

The non-return valve (1) is "inserted" in the cylinder head and can fall out if the gasket is not fed out carefully.

Carefully feed out gasket.

Fig 6: Feeding Out Gasket
G03152732Courtesy of BMW OF NORTH AMERICA, INC.

If necessary, remove non-return valve.

Insert commercially available screw with M10x1 thread or special tool 13 5 132 as and extraction aid by hand in nonreturn valve (1) and carefully remove.

Fig 7: Inserting Commercially Available Screw With M10X1 Thread Or Special Tool 13 5 132
G03152733Courtesy of BMW OF NORTH AMERICA, INC.

Installation 

Replace sealing ring (1) on non-return valve.

CAUTION: Check installed direction.

An incorrectly installed non-return valve will result in engine damage.

Install non-return valve with M10x1 thread facing outwards.

Fig 8: Replacing Sealing Ring (1) On Non-Return Valve
G03152734Courtesy of BMW OF NORTH AMERICA, INC.

Installation 

Installation of the camshaft adjustment unit distributor is described separately from removal.

Check correct installation position of non-return valve (1).

Feed in new gasket so that it is secured in groove on camshaft bearing cover and over non-return valve (1).

Fig 9: Checking Correct Installation Position Of Non-Return Valve
G03152735Courtesy of BMW OF NORTH AMERICA, INC.

Make sure that contact points on plain compression rings snap into place.

Align contact points of compression rings upwards.

Fig 10: Aligning Contact Points Of Compression Rings Upwards
G03152736Courtesy of BMW OF NORTH AMERICA, INC.

Make sure that gasket is secured in groove on camshaft bearing cover.

Fig 11: Identifying Gasket Position
G03152737Courtesy of BMW OF NORTH AMERICA, INC.

Apply a light coat of oil to camshaft adjustment unit distributor and plain compression rings.

Carefully push on camshaft adjustment unit distributor so that it is straight.

Fig 12: Applying Light Coat Of Oil To Camshaft Adjustment Unit
G03152738Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Only screw (1) with sealing ring.

Replace sealing ring on screw (1).

Install and tighten down screws.

Installation 

Fig 13: Replacing Sealing Ring On Screw
G03152739Courtesy of BMW OF NORTH AMERICA, INC.

Feed timing chain onto camshaft adjustment unit distributor.

Insert solenoid valve and tighten down with special tool 11 6 420.

Tightening torque, refer to 11 36 12AZ in ENGINE - TIGHTENING TORQUES - 540i .

Fig 14: Inserting Solenoid Valve And Tighten Down With Special Tool 11 6 420
G03152740Courtesy of BMW OF NORTH AMERICA, INC.

Install right camshaft adjustment unit, refer to 11 36 615 REMOVING AND INSTALLING/REPLACING RIGHT CAMSHAFT ADJUSTMENT UNIT (M62 VANOS FROM 9/98) .

Assemble engine.

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