LEMON Manuals: Even more car manuals for everyone
Home >> Mini >> 2010 >> Cooper S, 2D Hatchback, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 346 (Engine - Repair Instructions - X5 (4.6L)) >> Piston With Rings >> 11 25 530 Removing and installing/replacing all pistons (M62) >> Removal

11 25 530 Removing and installing/replacing all pistons (M62): Removal

WARNING: This page is about a different car, the 2003 BMW X5 and 2002 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Engine Removed

Removal of pistons is described separately from installation. The assembly sequence for removal and installation is different.

IMPORTANT: Re-install piston, conrod and bearing shells back in the same position and in the same installation location.
Conrod and conrod bearing cover are designated with same pair number: do not interchange/confuse.
IMPORTANT: When removing and installing pistons, there is a risk of the spray nozzles being damaged.
Unfasten screw and remove spray nozzle.
Fig 1: Removing Spray Nozzle
G03254617Courtesy of BMW OF NORTH AMERICA, INC.

Unscrew conrod bearing cover.

Fig 2: Unscrewing Conrod Bearing Cover
G03254618Courtesy of BMW OF NORTH AMERICA, INC.

Insert special tool 11 2 470 in conrod.

Remove conrod with piston from cylinder head side.

Fig 3: Removing Conrod
G03254619Courtesy of BMW OF NORTH AMERICA, INC.

Lift out retaining ring and press out piston pin.

Fig 4: Removing Piston Pin Retaining Ring
G03254620Courtesy of BMW OF NORTH AMERICA, INC.