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:
Higher-Level Driving Dynamics Control
Observation of the Driving Condition
The Integrated Chassis Management (ICM) control unit calculates the current
driving situation from the signals
listed below. This essentially means the longitudinal and lateral dynamic
driving condition.
Wheel speed signals from all four wheels
Lateral accel
Inline Connectors, 15-Pin, System D2.5
Notes
Carefully pull external connector (1) in area of retaining lugs (2) apart
slightly.
Fig. 65: Identifying External Connector And Retaining Lugs
Pull internal connector (3) until limit position in direction of arrow.
Fig. 66: Pulling Internal Connector In Direction Of Arrow
With special tool
