Z Series E85 Z4 3.0i (M54) ROADST
18 40 050
Removing and installing/replacing front
exhaust manifold (M54)
Necessary preliminary tasks:
•
Secure engine in installation position.
•
Remove front splash guard.
•
Remove reinforcement plate.
•
Remove complete exhaust system.
•
Remove bracket between exhaust manifold and transmission.
•
Detach grounding cable from body.
•
Remove right engine support arm with engine mount.
•
Release nuts on heat shield at bottom.
•
Remove right tension strut.
•
Remove air pump.
•
Release heat shield at top and remove.
Note:
The oxygen sensors are in danger of being damaged when the
exhaust manifolds are removed and installed.
Remove front oxygen control sensor.
Remove cover from injection valves.
Note:
Do not mix up oxygen monitor sensors for cylinders 1 to 3 and
4 to 6 at plug connection to wiring harness.
Mark plug connections.
Unclip the cable from the retainer. Disconnect plug connection.
Unclip cable on rear side of engine from cable guide.
Remove oxygen monitor sensor from cylinders 1 to 3 from
above.
RA Removing and installing/replacing front exhaust manifold (M54)
BMW AG - TIS
15.02.2013 13:18
Issue status (12/2007) Valid only until next DVD is issued
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