11 12 105 Removing and installing left cylinder head (N62 from 9 / 03: Installation:

Installation of cylinder head is described separately from removal.

Clean sealing faces of cylinder head and crankcase; if necessary, remove gasket debris with wooden scraper. Make sure no gasket debris drops into the oil and coolant ducts.

Threaded bores in engine block must be free of dirt and oil (risk of cracking).

Coat joint between engine block and timing case cover with Drei Bond 1209.

Fig 1: Locating Joint Between Engine Block And Timing Case Cover

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Check dowel sleeves (1) for damage and correct installation position.

Fig 2: Checking Dowel Sleeves

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Fit new cylinder-head seal.

Put the cylinder head on.

At narrow points, use a socket with 3/8" drive and a short extension.

Tighten down the cylinder-head bolts in order 1 ... 10.

Fig 3: Left Cylinder Head Bolts Tightening/Loosening Sequence (N62)

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Tightening torque 11 12 8AZ. Refer to ENGINE - TIGHTENING TORQUES .

Insert and tighten down screws between cylinder head and timing case cover.

Fig 4: Inserting Screws Between Cylinder Head And Timing Case Cover

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Replacement:

Insert screw plug (1).

Fig 5: Inserting Screw Plug

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Installation:

Failure to install the screw (1) will result in a malfunction in the VANOS control.

Insert and tighten down guide rail screw.

Fig 6: Inserting Guide Rail Screw

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Install eccentric shaft sensor (2).

Fig 7: Installing Eccentric Shaft Sensor

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Install inlet and exhaust adjustment unit on left side. Refer to 11 36 047 Removing and installing/replacing inlet and exhaust adjustment units on left side (N62) .

Assemble engine.