11 24 571 Replacing All CONROD Bearings (N62/N62TU)

Special tools required: 

• 00 2 590 
• 00 9 120 
• 11 2 110

(piston removed) 

The letter (1) denotes the crankshaft construction stage.

The numbers (2) denote the bearing shell classification for the relevant bearing position from 1 to 5 (main bearing cap).

Install new conrod bearing shells.

Insert one red and one blue bearing shell for each conrod.

Install piston  . See 11 25 530 REMOVING AND INSTALLING/REPLACING ALL PISTONS (N62TU) .

Check connecting-rod bearing clearance: 

Piston in BDC position.

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

Fit bearing caps so that pair numbers match up.

Use conrod bolts to check conrod bearing clearance.

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

Tightening torque 11 24 1AZ  . See ENGINE - TIGHTENING TORQUES (N62TU V8) .

Remove bearing cap and read off bearing play at width of flattened plastic thread with assistance of measurement scale.

Conrod bearing clearance. 

• Remove plastic thread.
• Lubricate crankshaft and bearing shells.
• Install new conrod bolts.
  Fig 5: Locating Conrod Bearing Clearance

  Courtesy of BMW OF NORTH AMERICA, INC.

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

Tightening torque 11 24 1AZ  . See ENGINE - TIGHTENING TORQUES (N62TU V8) .