N62 B44

Lightly coat pistons and piston rings with oil.

Offset the contact points of the piston rings by approx. 120° to each other but do not position above the piston pin boss.

Compress piston rings with special tool 11 9 500.

Fig 1: Compressing Piston Rings

Courtesy of BMW OF NORTH AMERICA, INC.

Keep piston rings compressed with special tool 11 9 500. Install piston so that arrow points to camshaft drive.

Only press pistons into place with finger force - do not knock in!

Fig 1: Installing Piston Rings

Courtesy of BMW OF NORTH AMERICA, INC.