11 24 571 Replacing all conrod bearings (M62)
(piston removed)
refer to ENGINE - TECHNICAL DATA - X5 .
Install new conrod bearing shells.
Insert one red and one blue bearing shell for each conrod.
Install pistons,
refer to 11 25 530 REMOVING AND INSTALLING / REPLACING ALL PISTONS (M62) .
Check connecting-rod bearing clearance:
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 screws with special tool 00 9 120 or special tool 11 2 110, respectively.
Tightening Torque,
refer to 11 24 1AZ in ENGINE - TIGHTENING TORQUES
Remove bearing cover and read off bearing clearance across width of pinched plastic thread with the help of the measuring scale.
Conrod bearing clearance,
see ENGINE - TECHNICAL DATA - X5
- Remove plastic thread.
- Lubricate crankshaft and bearing shells.
- Insert new conrod bolts and tighten down.
Tightening Torque,
refer to 11 24 1AZ in ENGINE - TIGHTENING TORQUES