BMW X5: Connecting Rod With Bearing
REPLACING ALL CONROD BEARINGS (N62/N62TU)
Special tools required:
- 00 2 590
- 00 9 120
- 11 2 110
(piston removed)
IMPORTANT: Note grinding stages on crankshaft.
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).
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Fig. 155: Identifying Letter Crankshaft Construction Stage
Install new conrod bearing shells.
Insert one red and one blue bearing shell for each conrod.
Install piston.
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Fig. 156: Installing Conrod Bearing Shells
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.
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Fig. 157: Locating Connecting-Rod Bearing Clearance
IMPORTANT: Do not distort conrods or crankshaft.
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.
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Fig. 158: Identifying Special Tool (00 9 120)
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.
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Fig. 159: Locating Conrod Bearing Clearance
Tighten down conrod bolts with special tool 00 9 120 or special tool 11 2 110.
Tightening torque 11 24 1AZ.
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Fig. 160: Identifying Special Tool (00 9 120)
READ NEXT:
Piston With Ring And
REMOVING AND INSTALLING/REPLACING ALL PISTONS (N62TU)
Special tools required:
00 9 120
11 5 430
11 5 440
11 5 450
IMPORTANT: Re-install piston, conrod and bearing shells back in the
same positi
V-Ribbed Belt W. Tensioner
REPLACING ALTERNATOR DRIVE BELT (N62/N62TU)
Special tools required:
11 3 340
Necessary preliminary tasks:
Remove fan clutch with fan impeller (E65/66).
NOTE: If the drive belt is to be reused:
M
SEE MORE:
Engine oil
General information
The engine oil consumption is dependent on
your driving style and driving conditions.
Therefore, regularly check the engine oil level after
refueling by taking a detailed measurement.
The engine oil consumption can increase in the
following situations, for instance:
Sporty dr
Valvetrain
The valvetrain on the N52 introduced in 2006, used 5 mm valve stems on both
the intake and exhaust. To
increase durability, the exhaust valve stems were increased to 6 mm from 6/06
production.
All of the new NG6 engine have adopted the 6 mm valve stem for the exhaust, the
intake stem remains at
