11 33 545 Removing And Installing/Replacing Rocker Arm Shaft (S54)

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2006 BMW M3, 2005 BMW M3, 2004 BMW M3, 2003 BMW M3, and 2002 BMW M3. However, it is still accessible from the selected car via links, so may be relevant.

(Cylinder head removed.)
(If necessary inlet or exhaust side.)

CAUTION: It is very easy for the adjustment plates to fall down.

Raise rocker arm.

NOTE: The special tool 11 4 400 is magnetic.

Remove all adjustment plates with special tool 11 4 400 and set to one side order

Fig 1: Removing Adjustment Plates With Special Tool

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Detach spring clip (1).

Fig 2: Identifying Spring Clip

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Remove camshaft sensor.

Installation:

Replace O-ring and screw.

Release journal screw (1).

Fig 3: View Of Journal Screw

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NOTE: If the rocker arm shaft cannot be removed by hand towards the front:

Open screw plug (1).

Installation:

Replace sealing ring on plug (1).

Tightening torque, refer to 11 33 2AZ in ENGINE - TIGHTENING TORQUES .

Fig 4: Removing Screw Plug

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Slide out rocker arm shaft towards front.

NOTE: Place fingers to one side in orderly fashion. Worn rocker arms should only be reused at the same cam on the camshaft.

CAUTION: If the inlet and exhaust rocker arm shafts are mixed up: engine damage!

(1) Inlet rocker arm shaft.
(2) Exhaust rocker arm shaft.
(3) Groove for identifying inlet rocker arm shaft.
(4) Opening for journal screw.
The groove for identifying the inlet rocker arm shaft is located between the 5th and 6th cylinders.

Fig 5: Identifying Inlet And Exhaust Rocker Arm Shafts
Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: Difference between inlet and exhaust rocker arm shafts, front.

(1) Inlet rocker arm shaft, front, open.
(2) Exhaust rocker arm shaft, front, closed.

Fig 6: Identifying Inlet And Exhaust Rocker Arm Shafts Differences
Courtesy of BMW OF NORTH AMERICA, INC.

Installation:

Install rocker arm shaft and feed on rocker arm in so doing.

Align opening for journal screw precisely to cylinder head and insert journal screw (1).

Tighten down journal screw (1).

Tightening torque, refer to 11 33 3AZ in ENGINE - TIGHTENING TORQUES .

Fig 7: Inserting Journal Screw

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Align rocker arm to valve.

NOTE: Spring clip (1) must snap into place over rocker arm shaft.

Install spring clip (1).

Fig 8: Installing Spring Clip

Courtesy of BMW OF NORTH AMERICA, INC.

CAUTION: It is very easy for the adjustment plates to fall down.

Install adjustment plates for valve clearance only after cylinder head has been installed.