BMW X5: Oil Sump
REMOVING AND INSTALLING, SEALING OR REPLACING OIL SUMP (N52K)
IMPORTANT: Aluminium-magnesium materials.
No steel screws/bolts may be used due to the threat of electrochemical corrosion.
A magnesium crankcase requires aluminium screws/bolts exclusively.
Aluminium screws/bolts must be replaced each time they are released.
The end faces of aluminium screws/bolts are painted blue for the purposes of reliable identification.
Jointing torque and angle of rotation must be observed without fail.
Risk of damage!
Necessary preliminary tasks:
- Lower front axle
- Remove front differential
Release screw (1) from grounding cable (2) on right bearing block (3).
Lay grounding cable (2) to one side.
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Fig. 52: Grounding Cable, Bearing Block And Screw
NOTE: Picture shows an E92 by way of example. Other model series may differ in certain details.
Unclip electric leads (2) of oxygen monitor sensors from holder (3).
Disconnect plug connections (1) of oxygen monitor sensors and lay to one side.
Release bolts (5) on transmission.
Tightening torque: 11 13 5AZ.
Disconnect plug connection (4) on oil level sensor.
Lay holder (3) to one side.
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Fig. 53: Plug Connections, Holder, Electric Leads And Bolts
For vehicles with optional extra SA205 (automatic transmission):
NOTE: Transmission fluid cooler lines (2) (supply and return) are secured to the oil sump with two holders (3).
If necessary, release oil pump and lay to one side.
Unscrew nuts (1).
Tightening torque: 11 13 6AZ.
Release holders (3) with transmission fluid cooler lines (2) from oil sump guides.
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Fig. 54: Fluid Cooler Lines, Holders And Nuts
For all vehicles:
NOTE: For purposes of clarity, the picture shows the front axle carrier and stabilizer bar removed.
Unscrew nut (3).
Tightening torque: 11 13 7AZ.
Release screw (2).
Tightening torque: 11 13 8AZ.
Release both holders with coolant hose (1) from oil sump guide.
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Fig. 55: Coolant Hose, Screw And Nut
IMPORTANT: Bolts of oil sump have different lengths.
Observe different tightening torques.
Release bolts along line (1).
Tightening torque: 11 13 2AZ.
Tightening torque: 11 13 3AZ.
Installation:
Replace aluminium screws.
If necessary, remove oil level sensor (2) and right bearing block (3).
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Fig. 56: Oil Level Sensor And Bearing Block
IMPORTANT: There must be no adhesive residues in the bedplate retaining threads.
Clean retaining threads.
Installation:
Replace all seals.
Assemble engine.
READ NEXT:
Replacing Front Crankshaft Radial Seal (N52K)
Special tools required:
11 9 221
11 9 222
11 9 223
11 9 224
11 9 231
11 9 232
11 9 233
Necessary preliminary tasks:
Remove vibration damper
IMPORTANT: Do not release central bolt.
If the
Replacing Sealing Cover For Vacuum Pump (N52K)
Special tools required:
11 4 361
11 4 362
11 4 363
11 4 364
11 9 200
Necessary preliminary tasks:
Remove fan cowl with electric fan
Remove alternator drive belt
Remove drive belt tensioner
SEE MORE:
Bonding Aluminum Parts
IMPORTANT: Conform with safety precautions!
Overview of topics:
Equipment
Best before date of consumables
Grinding and cleaning
Flame-coating
Primer coat
Gluing coat
Hardening times
Disposing of adhesive
1.0 Equipment
Emery paper
Cleaning agent: Isopropyl, acetone or spirit
Brush, cott
Removing And Installing/Replacing Power Steering Gear
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 falling down.
WARNING: Danger of poisoning if oil is ingested/absorbed through the
skin!
Risk of injur
