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Home >> BMW >> 2025 >> 230i >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine - Repair (S54)) >> Valve And Spring >> 11 34 004 Adjusting valve clearance (S54) >> Special tools required:

Special tools required:

WARNING: This page is about a different car, the 2002 BMW M Roadster, 2002 BMW M Coupe, 2001 BMW M Roadster, and 2001 BMW M Coupe. However, it is still accessible from the selected car via links, so may be relevant.

For identification of special tools, refer to ENGINE- SPECIAL TOOLS .

Remove cylinder head. Refer to 11 12 100 Removing and installing/sealing cylinder head (S54)  .

Remove fan clutch with fan impeller and fan cowl. Refer to 11 52 020 Removing and installing/replacing fan clutch (S52 / S54 / M52 / M52TU / M54 / M56)  .

Remove spark plugs. Refer to 12 12 011 REPLACING ALL SPARK PLUGS (S54) .

NOTE: Fit special tool 11 5 100 on four screws on vibration damper and crank engine.
Fig 1: Cranking Engine
G03190875Courtesy of BMW OF NORTH AMERICA, INC.

With cams pointing upwards, measure valve clearance with special tool 11 3 160.

Fig 2: Measuring Valve Clearance
G03190876Courtesy of BMW OF NORTH AMERICA, INC.

Note down measured values.

Compare measured valve clearance with prespecified ventil clearance. Refer to 11 34 VALVES WITH SPRINGS S54 .

If the measured valve clearance is outside the stipulated valve clearance tolerance:

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

Place a clean cloth underneath the valve to be adjusted.

Seal oil return and vent holes.

Seal opening to timing case cover at first cylinder.

Seal spark plug bores.

CAUTION: Do not damage sealing surface for cylinder head cover.

Carefully detach retaining clip (1) from rocker arm shaft.

Fig 3: Detaching Retaining Clip From Rocker Arm Shaft
G03190877Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: It is very easy for the adjustment plates to fall down.

Carefully slide rocker arm to one side.

Fig 4: Sliding Rocker Arm To One Side
G03190878Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Special tool 11 4 400 is magnetic.

Remove adjustment plates with special tool 11 4 400.

Fig 5: Removing Adjustment Plates
G03190879Courtesy of BMW OF NORTH AMERICA, INC.

Measure removed adjustment plates.

Fig 6: Measuring Adjustment Plates
G03190880Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: It is very easy for the adjustment plates to fall down.

Insert required adjustment plates with special tool 11 4 400.

Fig 7: Inserting Adjustment Plates
G03190881Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Incorrect installation possible!

When the rocker arm is pushed back, there is the risk that the adjustment plate will also be pushed out.

Carefully push rocker arm back and check correct position of adjustment plates.

Fig 8: Checking Correct Position Of Adjustment Plates
G03190882Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: If necessary, check correct position of adjustment plates with a mirror.
CAUTION: Do not damage sealing surface for cylinder head cover.

Install retaining clip (1).

Fig 9: Installing Retaining Clip
G03190883Courtesy of BMW OF NORTH AMERICA, INC.
CAUTION: Retaining clip (1) must snap into place on left and right over rocker arm shaft (2).

Check valve clearance. Refer to 11 34 VALVES WITH SPRINGS S54 .