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:
Removing And Installing/Replacing Inlet And Exhaust Adjustment
Units On Right Side (N63)
Notes
IMPORTANT: When the engine is shut down, the inlet and exhaust camshaft
adjuster is
normally locked in its initial position.
The situation may arise in some individual cases where this initial position is
not reached and the camshaft can continue to be rotated in the adjustment
range of the
Separating Cut Determination With A Template
In the case of a partial replacement piece, a body component is cut at a
point described in the repair instructions.
A template may be used for the exact position determination for the separating
cut.
The template is made from the reinforcement plate and can be reused.
Carry over schematic diag
