Z Series E85 Z4 3.0Si (N52) ROADST
18 40 030
Removing and installing/replacing both
exhaust manifolds (N52)
Warning!
Scalding hazard!
Only perform this work after engine has cooled down.
Necessary preliminary tasks:
•
Remove tension strut on spring strut dome
•
Remove upper heat shield
•
Remove reinforcement plate on front axle carrier
•
Remove complete exhaust system
Note:
Front exhaust manifold with catalytic converter can only be
removed after rear exhaust manifold with catalytic converter has
first been removed.
The oxygen sensors are in danger of being damaged when the
exhaust manifolds are removed and installed.
Remove oxygen control sensors.
Remove oxygen monitor sensors.
Release bolts and lower control arm (1).
Installation:
Check threads for damage; if necessary, repair with Helicoil thread
inserts.
Replace screws.
Tightening torque 31 12 7AZ.
Release nut and remove heat shield (2).
RA Removing and installing/replacing both exhaust manifolds (N52)
BMW AG - TIS
16.02.2013 22:21
Issue status (12/2007) Valid only until next DVD is issued
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