3 Series E90 320i (N43) SAL
11 78 513
Replacing oxygen control sensors (N43/
cylinders 1 and 4 / cylinders 2 and 3)
Special tools required:
•
11 7 020
•
11 7 030
•
11 9 150
Necessary preliminary tasks:
•
Read out fault memory of DME control unit
•
Switch off ignition
•
Remove coolant expansion tank
Warning!
Scalding hazard!
Only perform this task on an engine that has cooled down.
Disconnect plug connection for oxygen control sensor from
cylinders 1 and 4.
Release oxygen control sensor with special tool
11 7 020
.
Tightening torque 11 78 1AZ
.
RA Replacing oxygen control sensors (N43/ cylinders 1 and 4 / cylinders 2 and 3)
BMW AG - TIS
25.01.2013 04:03
Issue status (12/2007) Valid only until next DVD is issued
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