BMW 7 Series: Replacing Left Control Sensor (N63)
Notes
WARNING: Risk of burning! Only perform this work after engine has cooled down.
Necessary preliminary work
- Check function of DME control unit
- Switch off ignition
- Remove AIR FILTER HOUSING
Unlock plug connection and detach.
Unclip control sensor cable at retaining clips.
Release control sensor with special tool 11 7 020.
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Fig. 527: Releasing Control Sensor Using Special Tool 11 7 020
Installation note: The threads of new lambda control/monitoring sensors are already coated with Never Seez Compound (refer to BMW Parts Department).
If a lambda control/monitoring sensor is to be reused, apply a thin and even coating of Never Seez Compound to the thread only.
The part of the lambda control/monitoring sensor which projects into the exhaust branch (sensor ceramics) must not be cleaned and not coated with lubricant.
Secure control sensor with special tool 11 7 020 and a torque wrench (1).
Tightening torque 11 78 1AZ.
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Fig. 528: Securing Control Sensor Using Special Tool 11 7 020 And Torque
Wrench
Installation note: Check function of DME control unit.
Pay attention to cable routing of control sensor.
REPLACING LEFT MONITOR SENSOR (N63)
Notes
WARNING: Risk of burning! Only perform this work after engine has cooled down.
Necessary preliminary work
- Check function of DME control unit
- Switch off ignition
- Remove AIR FILTER HOUSING
Release retaining clip (1).
Remove heat shield wire ring (2) over oxygen sensor.
Detach oxygen sensor cable from retaining clips (3).
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Fig. 529: Identifying Heat Shield Wire Ring And Retaining Clips
Release monitoring sensor (1) with special tool 11 7 020.
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Fig. 530: Releasing Monitoring Sensor Using Special Tool 11 7 020
Installation note: The threads of new lambda control/monitoring sensors are already coated with Never Seez Compound (refer to BMW Parts Department).
If a lambda control/monitoring sensor is to be reused, apply a thin and even coating of Never Seez Compound to the thread only.
The part of the lambda control/monitoring sensor which projects into the exhaust branch (sensor ceramics) must not be cleaned and not coated with lubricant.
Fasten monitoring sensor (1) with special tool 11 7 020.
Tightening torque 11 78 1AZ.
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Fig. 531: Tightening Monitoring Sensor Using Special Tool 11 7 020
Installation note: Check function of DME control unit.
Pay attention to cable routing of monitor sensor.
READ NEXT:
Replacing Right Control Sensor (N63)
Notes
WARNING: Risk of burning!
Only perform this work after engine has cooled down.
Necessary preliminary work
Check function of DME control unit
Switch off ignition
Remove AIR FILTER HOUSING
Un
Engine Mounting
REPLACING LEFT ENGINE MOUNT (N63)
Necessary preliminary work
Secure engine in INSTALLATION POSITION.
Remove rear UNDERBODY PROTECTION.
Lower FRONT AXLE SUPPORT.
Release bolt (1) and remove engine
SEE MORE:
System Components
Instrument Cluster
The instrument cluster is clipped into place in the dashboard with two clips.
A shroud prevents reflections in the
acutely angled windscreen.
The instrument cluster comprises the following components:
Four dials
Indicator and warning lamps
TFT color display
Acoustic output
Output Shaft
NOTES ON REMOVING AND INSTALLING LOW PROFILE BAND CLAMPS
Notes
IMPORTANT: During removal Low Profile band clamp (dotted line) is
overstretched and must
not be reused!
Fig. 82: Identifying Low Profile Band Clamp (Dotted Line)
Removing
Place special tool 31 5 200 on tabs (1, 2).
NOTE: Make sure that
