5 Series E34 525ix (M50) SAL
11 78 510
Replacing oxygen sensor (M50/M52/S52)
(refer to Operation No. 13 00 002)
Disconnect connector for oxygen sensor.
Unclip Lambda oxygen sensor cable from bracket.
Unfasten oxygen sensor.
Installation:
The threads of new oxygen sensors are already coated with
Never Seez Compound.
If an oxygen sensor is used again, apply a thin and even coat
of Never Seez Compound (refer to BMW Parts Service)
to the thread only.
Do not clean the Lambda oxygen sensor section which
protrudes into the exhaust line and ensure that it avoids all
contact with lubricants.
Installation:
Tighten oxygen sensor with special tool 11 7 030.
Tightening Torque,
refer to Technical Data 11 78 1AZ.
Protect (mask) Lambda oxygen sensor when applying underseal.
Note cable routing of oxygen sensor.
RA Replacing oxygen sensor (M50/M52/S52)
BMW AG - TIS
21.01.2013 20:34
Issue status (12/2007) Valid only until next DVD is issued
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