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:
Fixture
Fixture MW
Note: For holding rear axle final drive during removal and installation.
SI number
01 01 07 (333)
Consisting of:
1 = 0496019 Joint
2 = 0496020 Frame
NOTE: (Main frame)
Fig. 21: Identifying Fixture (335200)
3 = 0496077 Support
4 = 0496078 Fixture
NOTE: (Fixture for foam material insert)
5
Driver Assistance Functions
Depending on the equipment specification, two driver assistance functions
that act on the longitudinal dynamics
of the vehicle can be integrated in the ICM control unit:
Cruise control with braking function (Dynamic Cruise Control, DCC) and
Active cruise control with stop&go function (ACC St
