11 24 571 Replacing all conrod bearings (S62)

(piston removed)

Install new conrod bearing shells.

Insert one blue (1) and one red (2) bearing shell for each conrod.

Fig 1: Installing New Conrod Bearing Shells

Courtesy of BMW OF NORTH AMERICA, INC.

Install pistons, refer to 11 25 530 REMOVING AND INSTALLING/REPLACING ALL PISTONS (S62) .

Check connecting-rod bearing clearance:

Fig 2: Checking Conrod Bearing Clearance

Courtesy of BMW OF NORTH AMERICA, INC.

Piston in BDC position.

Fit special tool 00 2 590 (Plastigage Type PG 1) to the oil-free crankshaft.

Place bearing caps in position, making sure that matching numbers are paired.

Use the old connecting-rod bolts to check connecting-rod clearance.

Tighten down conrod bolts with special tool 00 9 120.

Fig 3: Tightening Conrod Bolts

Courtesy of BMW OF NORTH AMERICA, INC.

Tightening Torque 11 24 1AZ, refer to 11 24 CONNECTING RODS AND BEARINGS .

Remove bearing cover and read off bearing clearance across width of pinched plastic thread with the help of the measuring scale.

Fig 4: Checking Connecting-Rod Clearance

Courtesy of BMW OF NORTH AMERICA, INC.

Conrod bearing clearance, refer to 11 21 CRANKSHAFT AND BEARINGS S62 .

• Remove plastic thread.
• Lubricate crankshaft and bearing shells.
• Insert new conrod bolts and tighten down.

Tightening Torque 11 24 1AZ, refer to 11 24 CONNECTING RODS AND BEARINGS .