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Home >> BMW >> 2003 >> 745i >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine - Repair (N62) >> Cylinder Head With Cover >> 11 12 106 Removing and installing right cylinder head (N62 from 9 / 03 and N62TU) >> Removal:

11 12 106 Removing and installing right cylinder head (N62 from 9 / 03 and N62TU): Removal:

Removal of cylinder head is described separately from installation.

Remove inlet and exhaust adjustment unit on right side. Refer to 11 36 048 Removing and installing/replacing inlet and exhaust adjustment units on right side (N62) .

Slacken off chain tensioning piston (1) by approx. one turn.

Fig 1: Locating Chain Tensioning Piston
G03288731Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: Illustration with engine removed.

Remove eccentric shaft sensor (2).

Fig 2: Removing Eccentric Shaft Sensor
G03288732Courtesy of BMW OF NORTH AMERICA, INC.

Detach guide rail from cylinder head.

Fig 3: Detaching Guide Rail From Cylinder Head
G03288733Courtesy of BMW OF NORTH AMERICA, INC.

Release screws between cylinder head and timing case cover.

Fig 4: Releasing Screws Between Cylinder Head And Timing Case Cover
G03288734Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: At narrow points, use a socket with 3/8" drive and a short extension.

Release cylinder-head bolts in sequence 10 ... 1.

Lift off cylinder head.

Lift off cylinder head gasket.

Fig 5: Releasing Cylinder-Head Bolts In Sequence
G03288735Courtesy of BMW OF NORTH AMERICA, INC.

Remove chain tensioning piston (1).

Fig 6: Removing Chain Tensioning Piston
G03288736Courtesy of BMW OF NORTH AMERICA, INC.

Place chain tensioning piston (1) on a level surface and compress slowly and carefully.

Repeat this procedure twice.

Fig 7: Compressing Chain Tensioning Piston
G03288737Courtesy of BMW OF NORTH AMERICA, INC.