3 Series E30 318i (M40) TOUR
Checking/machining cylinder-head sealing
surface (M40)
Check levelness of the cylinder-head sealing surface with a
standard steel ruler.
Max. levelness deviation 0.03 mm (0.0012").
Remove all attachments on cylinder head to grind sealing surface.
Machining, max.: 0,3
±
0,05 mm
New cylinder head height: 141.00 mm (5.551")
Machining limit: 140.55 mm (5.533")
A 0.3 mm (0.012") thicker cylinder-head seal, which must be
installed together with a correspondingly thicker O-ring for the
coolant duct, is available for 0.3 mm (0.012") machining.
RA Checking/machining cylinder-head sealing surface (M40)
BMW AG - TIS
21.01.2013 02:34
Issue status (12/2007) Valid only until next DVD is issued
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