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Home >> BMW >> 2003 >> X5 30i, Automatic >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine - Repair Instructions - X5 (4.4L)) >> Pistons with Rings and Pin >> 11 25 530 Removing and installing / replacing all pistons (M62) >> M62 B35 / B44 only:

M62 B35 / B44 only:

WARNING: This page is about a different variant/trim than selected.

Lightly coat pistons and piston rings with oil.

Align contact points of piston rings (offset at approx. 120°, but not over piston pin lug).

Press together piston rings using special tool 11 2 260.

Fig 1: Pressing Piston With Piston Rings Using Special Tool 11 2 260
G03251699Courtesy of BMW OF NORTH AMERICA, INC.

Install piston so that arrow points to camshaft drive.

Entire circumference of tightening strap must rest firmly on engine block.

IMPORTANT: Danger of piston ring failure.

Press in piston only with finger force (do not knock in!).

Fig 2: Installing Piston To Camshaft Drive
G03251700Courtesy of BMW OF NORTH AMERICA, INC.

Attach crankpin to connecting rod.

Fig 3: Attaching Crankpin To Connecting Rod
G03251701Courtesy of BMW OF NORTH AMERICA, INC.

Apply light coat of oil to connecting-rod bearing shells.

Fit bearing caps so that pair numbers match up.

Install new conrod bolts.

Fig 4: Identifying Bearing Caps Pair Numbers
G03251702Courtesy of BMW OF NORTH AMERICA, INC.

Tighten down conrod bearing with special tool 00 9 120 or with special tool 11 2 110.

Tightening torque, see 11 24 1AZ in ENGINE - TIGHTENING TORQUES

Fig 5: Tightening Conrod Bearing With Special Tool 00 9 120
G03251703Courtesy of BMW OF NORTH AMERICA, INC.

Install spray nozzle and tighten down screw.

Fig 6: Installing Spray Nozzle
G03251704Courtesy of BMW OF NORTH AMERICA, INC.