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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 2910 (Engine - Repair - E91) >> Crankshaft With Bearing >> 11 21 505 Sealing the crankcase's lower part(N52K) >> Version 2

Version 2

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IMPORTANT: Observe different screw lengths.
Release oil pump screws (1).
Tightening torque: 11 41 2AZ .

Installation: 

Replace aluminum screws. 

Fig 1: Identifying Oil Pump Mounting Screws
G06904190Courtesy of BMW OF NORTH AMERICA, INC.

Detach sprocket (1) in direction of arrow.

NOTE: The chain tensioner pushes the timing chain (3) of the triangular drive upward.
Do not  remove camshaft sprocket.

Remove oil pump (2) in direction of arrow.

Fig 2: Removing Sprocket Wheel
G04751254Courtesy of BMW OF NORTH AMERICA, INC.

Installation: 

Check spacer bushings (1) for secure seating and damage; replace if necessary.

Align twin surface (3) on oil pump (2) to sprocket wheel.

Install oil pump (2).

Fig 3: Identifying Spacer Bushings And Oil Pump
G04751255Courtesy of BMW OF NORTH AMERICA, INC.
NOTE: The special tool bore for the TDC position is located on the inlet side underneath the starter motor.

Rotate engine at central bolt and secure flywheel in position with special tool 11 0 300 .

Fig 4: Rotating Engine Central Bolt
G04751153Courtesy of BMW OF NORTH AMERICA, INC.

Secure flywheel with special tool (1) 11 9 260 and special tool (2) 11 9 266.

NOTE: Make sure that the special tool (1) completely engages in the flywheel teeth (see arrow)
Fig 5: Engaging Flywheel Teeth With Special Tool (11 9 260)
G06904194Courtesy of BMW OF NORTH AMERICA, INC.