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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 694 (Engine - Repair (M54/56)) >> Camshaft >> 11 31 005 Checking camshaft timing (M52TU / M54 / M56) >> Special tools required:

Special tools required:

WARNING: This page is about a different car, the 2003 BMW 525i, 2002 BMW 525i, and 2001 BMW 525i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks: 

Detach cover for inlet camshaft.

Fig 1: Detaching Cover For Inlet Camshaft
G03127453Courtesy 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
G03127454Courtesy of BMW OF NORTH AMERICA, INC.

Install special tool 11 4 220.

Fit adjusting screw to bow cover.

Fig 3: Installing Special Tool 11 4 220
G03127455Courtesy 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 11 4 220 By Rotating Adjusting Screw
G03127456Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew oil pressure pipe.

Fig 5: Unscrewing Oil Pressure Pipe
G03127457Courtesy of BMW OF NORTH AMERICA, INC.

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

Fig 6: Mounting Special Tool 11 3 450 With Banjo Bolt Of Oil Pressure Line
G03127458Courtesy 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: Identifying Bore
G03127459Courtesy of BMW OF NORTH AMERICA, INC.

Connect compressed air (2 to 8 bar).

Fig 8: Connecting Compressed Air (2 To 8 Bar)
G03127460Courtesy 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: Identifying Cylinder Facing Each Other
G03127461Courtesy 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
G03127462Courtesy 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: Removing Special Tool 11 2 300 Before Starting Engine
G03127463Courtesy 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: Identifying Special Tool Bore & Large Bore
G03127464Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew studs.

Fig 13: Unscrewing Studs
G03127465Courtesy of BMW OF NORTH AMERICA, INC.

Place special tool 11 3 240 on camshafts.

Fig 14: Placing Special Tool 11 3 240 On Camshafts
G03127466Courtesy 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: Identifying Special Tool 11 3 240 Protrudes To Exhaust Side
G03127467Courtesy of BMW OF NORTH AMERICA, INC.

Detach compressed air connection.

Remove special tool 11 3 450.

Fig 16: Detaching Compressed Air Connection
G03127468Courtesy of BMW OF NORTH AMERICA, INC.

Fit oil pressure line with new seals.

Tightening torque. Refer to ENGINE - TIGHTENING TORQUES .

Fig 17: Fitting Oil Pressure Line With New Seals
G03127469Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 11 3 240.

Fig 18: Removing Special Tool 11 3 240
G03127470Courtesy of BMW OF NORTH AMERICA, INC.

Remove special tool 11 2 300.

Install dust guard from inspection bore.

Fig 19: Removing Special Tool 11 2 300
G03127471Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten and remove special tool 11 4 220.

Fig 20: Unfastening & Removing Special Tool 11 4 220
G03127472Courtesy of BMW OF NORTH AMERICA, INC.

Install cylinder for chain tensioning piston.

Assemble engine.

Fig 21: Installing Cylinder For Chain Tensioning Piston
G03127473Courtesy of BMW OF NORTH AMERICA, INC.
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