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

WARNING: This page is about a different car, the 2003 BMW X5, 2002 BMW X5, 2001 BMW X5, and 2000 BMW X5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools required

11 2 470
11 9 500

(engine removed)

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

Remove both cylinder heads.
Remove upper oil sump section.
Remove oil pump.

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: Identifying Spray Nozzle

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Unscrew conrod bearing cover.

Fig 2: Unscrewing Conrod Bearing Cover

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Insert special tool 11 2 470 in conrod.

Remove conrod with piston from cylinder head side.

Fig 3: Removing Conrod From Cylinder Head Side

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Lift out retaining ring and press out piston pin.

IMPORTANT: Piston and piston bolts are paired and must not be fitted individually.

Fig 4: Pressing Out Piston Pin

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