X Series E83 X3 2.5Si (N52K) OFFRD
18 40 050
Removing and installing/replacing front
exhaust manifold (M54, N52)
Necessary preliminary tasks:
•
Secure engine in installation position
•
Remove reinforcement plate
•
Remove complete exhaust system
•
Detach grounding cable from body.
•
Remove right engine support arm with engine mount
•
M54: Remove air pump.
Note:
The oxygen sensors are in danger of being damaged when the
exhaust manifolds are removed and installed.
Remove front control sensor.
M54: Remove cover from injection valves.
Note:
Do not mix up monitor sensors for cylinders 1 to 3 and 4 to 6
at plug connection to wiring harness.
Mark plug connections.
Unclip cable from holder. Disconnect plug connection. Unclip
cable on rear side of engine from cable guide.
Remove monitor sensor from cylinders 1 to 3.
Unscrew nuts.
Remove exhaust manifold (1).
Installation:
Clean sealing faces, replace gaskets.
Replace nuts.
Tightening torque 11 62 1AZ
.
RA Removing and installing/replacing front exhaust manifold (M54, N52)
BMW AG - TIS
11.02.2013 10:23
Issue status (12/2007) Valid only until next DVD is issued
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