5 Series E39 525i (M54) SAL
Note:
On vehicles with automatic transmission:
In event of unfavorable tolerances, accessibility to the oxygen
monitor sensor from cylinders 4 to 6 is only possible after the
exhaust system has been removed.
Release oxygen monitor sensor from cylinders 1 to 3 with
special tool 11 7 030 .
Release oxygen monitor sensor from cylinders 4 to 6 with
special tool 11 7 020 .
Installation:
The threads of new oxygen monitor sensors are already coated
with Never Seez compound.
If an oxygen monitor sensor is reused, only apply a thin and
uniform coat of Never Seez compound (refer to BMW Parts
Service) to thread.
Part of oxygen control sensor which projects into exhaust system
branch must not be cleaned or come into contact with lubricant.
Installation:
Secure oxygen monitor sensor for cylinders 1 to 3 with special
tool 11 7 030 .
Secure oxygen monitor sensor for cylinders 4 to 6 with special
tool 11 7 020 .
Tightening torque 11 78 1AZ
.
Cover oxygen monitor sensors when applying underseal.
Pay attention to cable routing of oxygen monitor sensors.
RA Replacing both oxygen monitor sensors (M52TU / M54 / M56)
BMW AG - TIS
17.02.2013 19:53
Issue status (12/2007) Valid only until next DVD is issued
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