11 41 000 Removing and Installing/Replacing Oil Pump

11 41 000 Removing And Installing/Replacing Oil Pump (N55)







IMPORTANT:
Aluminium screws/bolts must be replaced each time they are released.
Aluminium screws/bolts are permitted with and without colour coding (blue).
For reliable identification:
Aluminium screws/bolts are not magnetic.
Jointing torque and angle of rotation must be observed without fail (risk of damage).







Necessary preliminary work:
- Removing oil sump.







Release all aluminium screws (1) along the line.

Installation note:
Replace aluminium screws.
Remove intake pipe with oil deflector.

Installation note:
Replace O-ring.







NOTE:
Camshaft sprocket must be blocked in order to release central bolt (2).
Insert pin (1) with 6 mm dia. between sprocket and housing of oil pump.
Release oil pump central bolt (2).
Tightening torque 11 41 5AZ.







Release aluminium screws (1).
Tightening torque 11 41 6AZ.

Installation note:
Replace aluminium screws.
Watch mounting flats on oil pump sprocket.







IMPORTANT: Observe different screw lengths.

Release aluminium screws (1)
Tightening torque 11 41 2AZ.

Installation note:
Replace aluminium screws.







Detach sprocket (1) in direction of arrow.

NOTE:
Chain tensioner presses timing chain (3) upwards.
Do not remove sprocket (1).

Remove oil pump (2) in direction of arrow.







Installation note:
Check spacer bushes for secure seating and damage; replace if necessary.







Install oil pump (2).
Align mounting flats (3) on oil pump (2) to sprocket (4).







Install intake pipe with oil deflector.

Installation note:
Replace O-ring.

Insert all aluminium screws (1) along the line.

Installation note:
Replace aluminium screws.

Tightening torque 11 41 1AZ.







Assemble engine.

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