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Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1829 (Engine - Repair) >> 21 Crankshaft With Bearing >> 11 21 505 Sealing the crankcase's lower part (N52K) >> Replace aluminum screws

Replace aluminum screws

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2010 BMW 528xi, 2010 BMW 528i, 2009 BMW 528xi, 2009 BMW 528i, and 2008 BMW 528xi. However, it is still accessible from the selected car via links, so may be relevant.

Remove oil deflector (2).

Fig 1: Identifying Screws And Oil Deflector
G04751093Courtesy of BMW OF NORTH AMERICA, INC.

Secure oil pump sprocket with steel pin 6.0 mm (3) to oil pump.

IMPORTANT: Release central bolt (2) only together with steel pin 6.0 mm (3).
Do not remove sprocket.

Release central bolt (2).

Tightening torque: 11 41 6AZ .

Fig 2: Identifying Oil Deflector And Screws
G06900714Courtesy of BMW OF NORTH AMERICA, INC.

Unfasten screws (2).

Tightening torque: 11 41 6AZ .

Installation: 



Fig 1: Identifying Bolt And Screws
G04751252Courtesy of BMW OF NORTH AMERICA, INC.

Remove screw plug (1) from crankcase at front.

NOTE: Replace gasket.
Fig 2: Identifying Screw Plug
G06904187Courtesy of BMW OF NORTH AMERICA, INC.

Release screw (1) for oil pump triangular drive with special tool 11 8 640 .

NOTE: It is not necessary to remove the triangular drive.
Fig 3: Identifying Oil Pump Triangular Drive Screw
G06904188Courtesy of BMW OF NORTH AMERICA, INC.


Fig 1: Identifying Screws
G04751253Courtesy of BMW OF NORTH AMERICA, INC.


Fig 1: Identifying 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: Pulling Drive Gear
G04751254Courtesy of BMW OF NORTH AMERICA, INC.