11 31 505 Adjusting camshaft timing (N16)

WARNING: This page is about a different car, the 2016 MINI Cooper Paceman, 2015 MINI Cooper Paceman, 2014 MINI Cooper Paceman, and 2013 MINI Cooper. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required:

00 9 120
00 9 250
11 9 340
11 9 450
11 9 540
11 9 590
32 2 100

IMPORTANT: Modified procedure for timing adjustment.
The timing is not determined at firing TDC of cylinder no. 1.
All pistons are in the 90° position.
Check locking of adjustment units.
Observe direction of engine rotation (direction of rotation always clockwise when viewed towards timing drive side).
To open the central bolt at the camshaft, grip hexagon on rear of camshaft.
Risk of damage!

Necessary preliminary tasks:

Remove CYLINDER HEAD COVER .
Check TIMING .

IMPORTANT: Danger of mixing up special tool bore.
Balance hole and special tool bore can be mixed up; all pistons must be in the 90° position.
If necessary, determine by means of spark plug bore.

Fig 1: Locking Flywheel With Special Tool (11 9 590)

G04796154

Courtesy of BMW OF NORTH AMERICA, INC.

Rotate crankshaft at central bolt.

11 9 590 Slide in special tool in direction of arrow and block crankshaft.

IMPORTANT: Risk of damage!
To open central bolt, mount special tool on camshaft.11 9 540
If the setting gauges cannot be positioned, grip the camshaft with an open-end wrench to release the central bolt.

Fig 2: Mounting Special Tool (11 9 540) On Camshaft

G04796272

Courtesy of BMW OF NORTH AMERICA, INC.

Release chain tensioner (have a cleaning cloth ready).

Tightening torque: 11 31 4AZ .

Fig 3: Identifying Chain Tensioner

G04796303

Courtesy of BMW OF NORTH AMERICA, INC.

To open central bolts (1 and 2) on camshafts, install special tool 11 9 540 .

Release central bolts (1 and 2).

Tightening torque:11 36 1AZ .

Fig 4: Identifying Central Bolts On Camshafts

G04796308

Courtesy of BMW OF NORTH AMERICA, INC.

The designations for the inlet camshaft (IN) and exhaust camshaft (EX) point upwards.

Both camshafts (inlet and exhaust) have three machined surfaces to enable special tool 11 9 450 to be mounted.

The fourth surface is not machined and is crescent-shaped - it must point downwards.

Fig 5: Identifying Designations For Intake Camshaft (IN) And Exhaust Camshaft (EX)

G04796268

Courtesy of BMW OF NORTH AMERICA, INC.

Position of exhaust camshaft (A) points at an angle to the right in an upper outward direction

Fig 6: Identifying Exhaust Camshaft Position

G04796269

Courtesy of BMW OF NORTH AMERICA, INC.

Position of inlet camshaft (E) points at an angle to the left in an upper outward direction.

Fig 7: Identifying Intake Camshaft Position

G04796270

Courtesy of BMW OF NORTH AMERICA, INC.

Turn exhaust camshaft in direction of arrow with special tool 32 2 100 .

Fig 8: Turning Exhaust Camshaft With Special Tool (32 2 100)

G04796312

Courtesy of BMW OF NORTH AMERICA, INC.

Preload camshaft with special tool 32 2 100 .

Seat special tool 11 9 540 (exhaust side) on mounting flats and secure with a screw (1).

Fig 9: Positioning Special Tool (11 9 540) On Mounting Flats

G04796313

Courtesy of BMW OF NORTH AMERICA, INC.

Seat special tool 11 9 540 (inlet side) on mounting flats and secure with a screw (1 and 2).

Fig 10: Mounting Special Tool (11 9 540) On Camshaft

G04796272

Courtesy of BMW OF NORTH AMERICA, INC.

Screw special tool 11 9 340 into cylinder head.

Pre-tension timing chain with special tool 00 9 250 to 0.6 Nm .

Fig 11: Identifying Special Tool (11 9 340)

G04796315

Courtesy of BMW OF NORTH AMERICA, INC.

Secure central bolt (1) with special tool 00 9 120 or an electronic torque wrench.

Tightening torque: 11 36 1AZ .

Fig 12: Securing Central Bolt With Special Tool (00 9 120)

G04796316

Courtesy of BMW OF NORTH AMERICA, INC.

Secure central bolt (1) with special tool 00 9 120 or an electronic torque wrench.

Tightening torque: 11 36 1AZ .

Fig 13: Securing Central Bolt With Special Tool (00 9 120)

G04796317

Courtesy of BMW OF NORTH AMERICA, INC.

Remove all special tools.

Assemble engine.