1 Series E81 120i (N46T) 3-door
11 12 719
Resurfacing cylinder head sealing face (N46T)
Necessary preliminary tasks:
•
Remove cylinder head.
•
Remove intake camshaft.
•
Remove exhaust camshaft.
Check evenness of cylinder head sealing face with a standard
straight-edge (1).
Note:
Maximum plane deviation: longitudinal 0.10 mm.
Note:
Maximum plane deviation: transversal 0.05 mm.
Before machining cylinder head, check for undersize.
Bore (1) is used to determine the cylinder head thickness.
Determine dimension (A) using a caliper gauge.
Dimension (A), original dimension and machining limit .
RA Resurfacing cylinder head sealing face (N46T)
BMW AG - TIS
20.01.2013 19:00
Issue status (12/2007) Valid only until next DVD is issued
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