1 Series E81 118i (N46T) 3-door
11 12 100
Removing and installing/sealing cylinder head
(N46T)
Special tools required:
•
11 4 470
•
11 9 291
•
11 9 292
•
11 9 293
Necessary preliminary tasks:
•
Remove intake filter housing with air-mass flow sensor.
•
Remove ignition coils.
•
Remove all spark plugs.
•
Remove cylinder head.
•
Remove intake air manifold.
•
Remove exhaust manifold.
•
Remove exhaust gas check valve.
•
Unfasten engine wiring harness partially and lay to one side.
•
Disconnect hose from evacuating pump.
•
Detach all coolant hoses from cylinder head.
•
Remove positioning motor for eccentric shaft.
•
Remove inlet and exhaust adjustment unit.
•
Remove both solenoid valves.
Important!
Fit new cylinder head screws.
Do not wash off bolt coating.
There must be no oil or coolant in the pocket holes (risk of
cracking).
RA Removing and installing/sealing cylinder head (N46T)
BMW AG - TIS
18.01.2013 20:03
Issue status (12/2007) Valid only until next DVD is issued
Copyright
Page - 1 -
