Removal & Installation

WARNING: This page is about a different car, the 2005 BMW 530i, 2005 BMW 525i, 2004 BMW 530i, and 2004 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove fan impeller with fan clutch.
E60: Remove fan cowl with electric fan. See 17 11 031 REMOVING AND INSTALLING/REPLACING FAN COWL & FAN .
Remove Cylinder Head Cover .
Remove all spark plugs. See 12 12 011 REPLACING ALL SPARK PLUGS .

Detach cover for inlet camshaft.

Fig 1: Detaching Cover For Inlet Camshaft

G03260663

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Cylinder for chain tensioning piston is under spring pressure.

Remove cylinder for chain tensioning piston.

Fig 2: Removing Cylinder For Chain Tensioning Piston

G03260664

Courtesy of BMW OF NORTH AMERICA, INC.

Install special tool 11 4 220.

Fit adjusting screw to bow cover.

Fig 3: Fitting Adjusting Screw To Bow Cover

G03260665

Courtesy of BMW OF NORTH AMERICA, INC.

Preload tensioning rail with special tool 11 4 220 by rotating adjusting screw with special tool 00 9 250 or standard torque wrench to 0.7 Nm.

Fig 4: Preloading Tensioning Rail With Special Tool

G03260666

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew oil pressure pipe.

Fig 5: Unscrewing Oil Pressure Pipe

G03260667

Courtesy of BMW OF NORTH AMERICA, INC.

Mount special tool 11 3 450 with banjo bolt of oil pressure line.

Fig 6: Mounting Special Tool With Banjo Bolt Of Oil Pressure Line

G03260668

Courtesy of BMW OF NORTH AMERICA, INC.

IMPORTANT: Cover double VANOS adjustment unit; when the compressed air supply is connected, several drops of oil are sprayed out of the bore.

Fig 7: Covering Double VANOS Adjustment Unit

G03260669

Courtesy of BMW OF NORTH AMERICA, INC.

Connect compressed air (2 to 8 bar).

Fig 8: Connecting Compressed Air

G03260670

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: When the engine is switched off, it is possible that the camshafts are not in their initial positions. With the compressed air supply connected, rotate the engine to return the camshafts to their initial positions.

With compressed air supply connected, crank engine at least two revolutions in direction of rotation until cam tips on inlet and exhaust camshafts on 1st cylinder face each other.

Fig 9: Aligning Cam Tips On Inlet And Exhaust Camshafts

G03260671

Courtesy of BMW OF NORTH AMERICA, INC.

Pull dust guard out of the special tool bore.

Fig 10: Pulling Dust Guard Out Of Special Tool Bore

G03260672

Courtesy of BMW OF NORTH AMERICA, INC.

Secure crankshaft with special tool 11 2 300 in TDC firing position of 1st cylinder.

IMPORTANT: Do not turn the engine back.

Remove special tool 11 2 300 before starting engine.

Fig 11: Securing Crankshaft With Special Tool

G03260673

Courtesy of BMW OF NORTH AMERICA, INC.

Automatic transmissions only:

Illustration does not show automatic transmission.

IMPORTANT: On engines with automatic transmissions, there is shortly before the special tool bore (1) a large bore (2) which can be confused with the special tool bore (1) If special tool 11 2 300 is secured in the correct bore (1), the engine can no longer be cranked at the central bolt.

Fig 12: Securing Crankshaft (Automatic Transmissions)

G03260674

Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew studs.

Fig 13: Unscrewing Studs

G03260675

Courtesy of BMW OF NORTH AMERICA, INC.

Place special tool 11 3 240 on camshafts.

Fig 14: Placing Special Tool On Camshafts

G03260676

Courtesy of BMW OF NORTH AMERICA, INC.

NOTE: The timing is correctly set if the special tool 11 3 240 rests without a gap on the cylinder head or protrudes up to 1 mm to the inlet side.

The timing must be reset if the special tool 11 3 240 protrudes to the exhaust side.

If necessary, adjust camshaft timing.

Fig 15: Adjusting Camshaft Timing

G03260677

Courtesy of BMW OF NORTH AMERICA, INC.

Detach compressed air connection.

Remove special tool 11 3 450.

Fig 16: Detaching Compressed Air Connection

G03260678

Courtesy of BMW OF NORTH AMERICA, INC.

Fit oil pressure line with new seals.

Tightening torque, see 11 36 2AZ in ENGINE - TIGHTENING TORQUES .

Fig 17: Fitting Oil Pressure Line

G03260679

Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 11 3 240.

Fig 18: Removing Special Tool

G03260680

Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 11 2 300.

Install dust guard from inspection bore.

Fig 19: Installing Dust Guard From Inspection Bore

G03260681

Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten and remove special tool 11 4 220.

Fig 20: Removing Special Tool

G03260682

Courtesy of BMW OF NORTH AMERICA, INC.

Install cylinder for chain tensioning piston.

Assemble engine.

Fig 21: Installing Cylinder For Chain Tensioning Piston

G03260683

Courtesy of BMW OF NORTH AMERICA, INC.