6 Series 630i (N53) Coupe
Rotate crankshaft at central bolt into TDC position.
Slide in special tool 11 0 300 in direction of arrow and block
crankshaft.
Important!
On engines with automatic transmissions, there is shortly
before the special tool bore for the TDC position a large bore
which can be confused with the special tool bore.
If the flywheel is secured in the correct bore with special tool
11 0 300 , the engine can no longer be moved at the central bolt.
Fit special tool 11 4 283 with screws (1).
Fit special tool 11 4 281 on special tool 11 4 283 .
Important!
If the special tool 11 4 281 cannot be installed, the camshaft
must be rotated at the hexagon head at the rear.
With cylinder No. 1 in ignition TDC position, cams of exhaust
camshaft (2) and intake camshaft (1) at 6th cylinder point
downwards at an angle.
Note:
If the timing is checked while the engine is installed, the position of
the camshaft can only be checked with a mirror.
Release central bolt (1) of exhaust camshaft.
Installation:
Replace screw (1).
Tightening torque: 11 36 1AZ
.
Release central bolt (2) of intake camshaft.
Installation:
Replace screw (2).
Tightening torque: 11 36 1AZ
.
RA Adjusting camshaft timing (N53)
BMW AG - TIS
17.01.2013 11:21
Issue status (12/2007) Valid only until next DVD is issued
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