BMW X5: Oil Pressure, Oil Tempe
REMOVING AND INSTALLING/REPLACING OIL PRESSURE SENSOR (N52, N52K, N51, N54, N53)
Necessary preliminary tasks:
- Switch off ignition
- N52, N52K, N51, N53 only:
- Remove ignition coil cover.
- N54 only:
- Remove intake filter housing
WARNING: Scalding hazard! Only perform this task on an engine that has cooled down.
Installation location:
Oil filter housing, front left.
Engine oil may emerge when oil pressure sensor is replaced; have a cleaning cloth ready.
Unlock plug (1) and remove.
Release oil pressure sensor (2).
Tightening torque 12 61 1AZ.
Check engine oil level, top up engine oil if necessary.
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Fig. 70: Pressing Lock
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Fig. 71: Unclipping Pull Cable
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Fig. 72: Locating Cross-Brace
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Fig. 73: Locating Plug Connector And Oil Pressure Switch
REMOVING AND INSTALLING/REPLACING OIL PRESSURE SENSOR (N52K)
WARNING: Scalding hazard! Only perform this task on an engine that has cooled down.
Necessary preliminary tasks:
- Remove ignition coil cover.
Installation location:
Oil filter housing, front left.
Engine oil may emerge when oil pressure sensor is replaced; have a cleaning cloth ready.
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Fig. 74: Pressing Lock
Unlock plug (1) and remove.
Release oil pressure sensor (2).
Tightening torque, 12 61 1AZ.
Installation:
Check engine oil level, top up engine oil if necessary.
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Fig. 75: Unclipping Pull Cable
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Fig. 76: Locating Cross-Brace
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Fig. 77: Locating Plug Connector And Oil Pressure Switch
REPLACING ENGINE OIL LEVEL SENSOR (N52, N52K, N51, N46, N54, N53)
IMPORTANT: Read and comply with notes on protection against electrostatic damage (ESD protection).
Necessary preliminary tasks:
- Switch off ignition
- E60 / E63 / E64 / E83 / E85 / E86 / E70 only: Remove reinforcement plate.
- E70 / E81 / E87 / E90 / E91 / E92 / E93 only: Remove underbody protection.
- Drain off engine oil.
Unlock plug (1) and remove.
Unscrew nuts.
Tightening torque 12 61 2AZ. Remove level switch (2).
Installation:
Clean sealing face on oil sump.
Replace seal on level switch.
An excessively low torque value will result in oil leaks.
An excessively high torque value will result in damage to the oil level switch.
Top up engine oil.
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Fig. 78: Identifying Level Switch And Plug Connector
Control Unit Box
REPLACING FAN FOR ELECTRONICS BOX
NOTE: Follow instructions for removing and installing electronic control units.
Necessary preliminary tasks:
- Remove control unit.
- Read fault memory. Switch off ignition.
Unclip plug (1).
Remove DDE control unit (3).
Remove relay plug-in (5) towards top.
Release screws (4).
Lift out device carrier (2).
Unfasten plug connection and disconnect.
Release air cowl (1).
Remove electric fan (2) with bracket.
Add final details to vehicle.
Read fault memory.
Additional Fault Notes For Troubleshooting
Necessary preliminary tasks:
- Connect diagnosis system
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Fig. 79: Identifying DIS
READ NEXT:
Instructions On Starting Aid
Do not start the engine with help of starting sprays.
Preparation:
Conform with the following when starting engine with starting cable.
Ensure that jump lead wires are to appropriate cross-section s
SEE MORE:
Removing And Installing/Replacing Control Unit For Active Front Steering
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection)
Necessary preliminary tasks:
Disconnect battery negative lead.
Remove front left wheel arch cover (rear section).
Release nut (1) and disconnect ground cable.
Disconnect plug connections (2).
Unc
Crankcase
As far as the physical appearance and dimensions, the crankcase on the N54 is
the same as the N52. The main
change is in the materials, the N54 uses an all aluminum alloy crankcase. There
is also cast iron cylinder liners
similar to the previous M54 engine.
The reason for using the all aluminum c
