BMW 7 Series: Connecting Rod With Bearing
REPLACING ALL CONNECTING ROD BEARINGS (N63)
Notes
IMPORTANT: Note grinding stages on crankshaft.
Necessary preliminary work
- Removing all PISTONS
Install new connecting rod bearing shells.
Install one blue bearing shell (1) and one red bearing shell (2) in each connecting rod.
Install PISTON.
Fig. 148: Identifying Blue Bearing Shell And Red Bearing Shell
Installation note: The bearing shells on the connecting rod are coded.
Connecting rod bearing cap (1): the red bearing shell is fitted and the fastening notches are on the left and right sides of the bearing shell (see arrows).
Connecting rod (2): the blue bearing shell is fitted and the fastening notches are one side of the bearing shell (see arrows).
Fig. 149: Locating Red Bearing Shell Fastening Notches And Blue Bearing Shell
Fastening Notches
Check connecting-rod bearing play
Piston in BDC position.
Fit special tool 00 2 590 (Plastigage type PG 1) to oil-free crankshaft.
Fit bearing caps so that matching numbers match up.
Fig. 150: Locating Special Tool 00 2 590
IMPORTANT: Do not distort connecting rods or crankshaft.
Use connecting rod bolts to check connecting-rod bearing play.
Connecting rod bolts with special tool 00 9 120.
Tightening torque 11 24 1AZ.
Fig. 151: Checking Connecting-Rod Bearing Play
Remove bearing cap and read off bearing play at width of flattened plastic thread with assistance of measuring scale.
CONNECTING-ROD BEARING PLAY.
- Remove plastic thread.
- Lubricate crankshaft and bearing shells.
- Install new connecting rod bolts.
Fig. 152: Checking Connecting-Rod Bearing Play
Secure connecting rod bolts with special tool 00 9 120.
Tightening torque 11 24 1AZ.
Fig. 153: Securing Connecting Rod Bolts With Special Tool 00 9 120
Assemble engine.
READ NEXT:
Removing And Installing/Replacing All Pistons (N63) Up To 3/2011
Notes
WARNING: Protective goggles must be worn when working on the gudgeon
pin circlip.
IMPORTANT: If pistons and connecting rods are reused, they must be
reinstalled in the same
places.
Piston and
Removing And Installing/Replacing All Pistons (N63) From 3/2011
Notes
WARNING: Protective goggles must be worn when working on the gudgeon
pin
circlip.
IMPORTANT: If pistons and connecting rods are reused, they must be
reinstalled in the same
places.
Piston and
SEE MORE:
Removing And Installing/Renewing Right Exhaust Camshaft (N63)
Notes
Cylinders 1-4:
IMPORTANT: Risk of damage!
The exhaust camshaft must first be rotated in such a way that the camshaft is
free from tension when the bearing caps are released.
Necessary preliminary work
Remove right HIGH-PRESSURE PUMP
Remove right CYLINDER HEAD COVER
Remove right EXHAUST CAM
Using this Owner's Manual
Orientation
The fastest way to find information on a particular
topic is by using the index.
An initial overview of the vehicle is provided in
the first chapter.
Validity of the Owner's Manual
Production of the vehicle
At the time of production at the plant, the printed
Owner's Manual is the most c
