11 14 110 Removing and installing lower timing case cover (M52 / S52 / M52TU / M54)

Remove VANOS adjustment unit. Refer to 11 36 010 REMOVING AND INSTALLING OR REPLACING DOUBLE VANOS ADJUSTMENT UNIT (M52TU / M54 / M56) .

Remove coolant thermostat. Refer to 11 53 000 REMOVING AND INSTALLING/REPLACING COOLANT THERMOSTAT (M52TU / M54 / M56) .

Remove alternator drive belt and drive belt tensioner.

Brace pulley for water pump with drive belt and unfasten screws.

Fig 1: Identifying Pulley Bolts

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Remove vibration damper. Refer to 11 23 010 REMOVING AND INSTALLING OR REPLACING VIBRATION DAMPER (M52TU / M54 / M56) .

Version where vibration damper and hub are two parts: Remove hub for vibration damper.

Remove oil sump.11 13 000 REMOVING AND INSTALLING OIL SUMP (M52 / S52 / M52TU / M54)  or 11 13 000 REMOVING AND INSTALLING, SEALING OR REPLACING OIL SUMP (M52TU / M54 / M56) .

Drive out dowel pins from timing case cover towards rear.

(Mandrel diameter less than 5 mm)

Fig 2: Driving Out Dowel Pins From Timing Case Cover

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Unscrew timing case cover to cylinder head bolts.

Fig 3: Removing Timing Case Cover To Cylinder Head Bolts

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Unfasten screws and remove timing case cover.

Fig 4: Removing Timing Case Cover And Bolts

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Important! 

Check cylinder head gasket for damage; if necessary, remove cylinder head and replace cylinder head gasket.

Installation: 

Clean sealing surfaces.

Drive alignment pins into timing case cover until they protrude approx. 2 to 3 mm.

Fig 5: Installing Alignment Pins Into Timing Case Cover

Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Secure new seals to timing case cover with a little grease.

Fig 6: Securing Seals To Timing Case Cover

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Installation: 

Sealing faces clean and free of seal debris.

Apply Drei Bond 1209 sealing compound at following points:

• A bead at the transitions to the cylinder head gasket on the left and right.
• Thinly and evenly to the entire sealing face of the timing case cover to the cylinder head gasket.

Fig 7: Applying Sealant To Sides Of Cylinder Head Gasket

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Installation: 

Install timing case cover, insert all screws and initially tighten to approx. 5 Nm.

Fig 8: Install Timing Case Cover

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Installation: 

Drive in dowel pins from front until flush.

Fig 9: Driving In Dowel Pins From Front Until Flush

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Installation: 

Fully tighten all screws in alternate sequence.

Tightening torque, refer to 11 14 1AZ in 11 14 CASE COVERS .

Important! 

Once all screws have been tightened down, retighten them in a second operation.

Fig 10: Tightening Screws In Alternate Sequence

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Insert screws, tighten screw connection for timing case cover to cylinder head.

Fig 11: Installing Screws For Timing Case Cover To Cylinder Head

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Replace radial seal in lower timing case cover. Refer to 11 14 141 REPLACING RADIAL SEAL IN LOWER TIMING CASE COVER .

Assemble engine.