Z Series E85 Z4 3.0i (N52) ROADST
Insert special tool 11 4 430 into bores.
Remove head gasket.
Important!
Check identification (1) on cylinder head gasket (B25 or
B30).
•
B= petrol/gasoline engine
•
30= displacement (3 liters)
Do not mix them up as this will cause engine damage.
Remove remnants of oil and dirt from pocket holes (1).
Important!
Work on sealing face on engine block and on cylinder head
with special tool 11 4 470 only.
Do not use any metal-cutting tools.
Identification (1) of head gasket.
Important!
Rubber coating (2) on cylinder head gasket must not under
any circumstances be damaged (electrochemical corrosion).
Gasket (3) is a sheet-metal gasket
Check adapter sleeves (1) for damage and firm seating.
Place head gasket (2) in direction of arrow on engine block.
RA Replacing cylinder head gasket (N52)
BMW AG - TIS
15.02.2013 16:23
Issue status (12/2007) Valid only until next DVD is issued
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