BMW 7 Series: 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
Unlock plug connection and detach.
Unclip control sensor cable from holder.
Release control sensor with special tool 11 7 020.
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Fig. 532: 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. 533: 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 RIGHT MONITOR SENSOR (N63)
Notes
Necessary preliminary work
- Check function of DME control unit
- Switch off ignition
- Remove AIR FILTER HOUSING
Release retaining clip (1).
Remove heat shield (2) over oxygen sensor.
Detach oxygen sensor cable from retaining clips (3).
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Fig. 534: Identifying Heat Shield And Retaining Clips
Release monitoring sensor (1) with special tool 11 7 020.
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Fig. 535: 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. 536: Installing Monitoring Sensor Using Special Tool 11 7 020
Installation note: Check function of DME control unit.
Pay attention to cable routing of monitor sensor.
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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
Transmission Suspension, Manual Transmission
REPLACING CROSS-MEMBER FOR TRANSMISSION MOUNTING (N63)
Necessary preliminary work
Remove rear UNDERBODY PROTECTION.
Support transmission with lifter.
Release screws (1) and (2).
Remove transmissi
SEE MORE:
Notes/Information On Removing And Installing Control Units
IMPORTANT:
Disconnecting the vehicle battery will cancel the fault memories of
control
units. Consequently, before disconnecting the car's battery, always
interrogate the fault memories. Investigate stored faults and, once any
faults have been remedied, cancel the fault memory.
Control unit
Removing And Installing/Renewing Pressure Lines For Valve Block
(Short)
Notes
WARNING: DANGER OF POISONING if oil is ingested/absorbed through the
skin!
RISK OF INJURY if oil comes into contact with eyes and skin!
IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to
enter the hydraulic system.
Do not draw off hydraulic fluid (risk of contamination).
