BMW X5: Changing Front Differential Oil
WARNING: Danger of poisoning if oil is ingested/absorbed through the skin!
Risk of injury if oil comes into contact with eyes and skin!
IMPORTANT: Use only the approved front differential oil in this front differential.
Failure to comply with this requirement will result in serious damage to the differential!
NOTE: Only change oil when front differential is at normal operating temperature.
Necessary preliminary tasks:
- Remove reinforcement plate.
- Remove steering gear cover at top left.
Checking/correcting front differential oil level:
Undo oil filler plug (1).
Check front differential oil level.
If necessary, pour in front differential oil up to lower edge of opening for oil filler plug (1).
Installation:
Replace oil filler plug.
Tightening torque.
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Fig. 104: Identifying Oil Filler Plug
Changing front differential oil:
Place oil collecting apparatus underneath.
Remove oil drain plug (1).
Drain front differential oil.
Installation:
Replace oil drain plug.
Tightening torque.
Undo oil filler plug (2).
Pour in front differential oil up to lower edge of opening for oil filler plug (2).
Installation:
Replace oil filler plug.
Tightening torque.
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Fig. 105: Identifying Oil Drain Plug And Oil Filler Plug
READ NEXT:
Removing And Installing/Replacing Front Differential
WARNING: Danger to life!
Mount securing fixture for vehicle on lifting platform to prevent the
vehicle from slipping off or tilting down.
Secure engine in installation position to prevent it from fal
Replacing Radial Seal For Drive Flange Of Front Differential
Special tools required:
23 0 020
31 5 130
33 1 150
Necessary preliminary tasks:
Remove reinforcement plate.
Mark position of nut with respect to shaft with punch marks (arrow).
Lever out lock
Replacing Shaft Seal For Left Output Shaft
Special tools required:
31 4 160
Necessary preliminary tasks:
Remove left output shaft.
Lever shaft seal (1) out of front differential with a screwdriver (2).
Fig. 113: Identifying Shaft Seal A
SEE MORE:
Removing And Installing/Replacing Right Intermediate Levers (N62
From 9/03 And N62TU)
Special tools required:
11 9 470
11 9 472
11 9 473
11 9 474
11 9 475
11 9 480
11 9 490
(cylinder bank 1 to 4)
Removal of intermediate levers is described separately from installation.
Necessary preliminary tasks:
Remove servomotor from right eccentric shaft.
Remove ignition coils on cyli
Compression Testing
In order for an engine to run smoothly and efficiently, the combustion
chamber must be free of leakage. An
engine with low compression in one or more cylinders is inefficient and will run
rough or lack in performance.
Low compression may or may not cause the MIL to illuminate.
Low compression ca
