Z Series E85 Z4 3.0i (M54) ROADST
11 25 Pistons with Rings and Pins M54 B22
Piston and piston pin are paired - replace together only.
Measuring point "A" (position)
mm
10
Piston diameter (measuring point "A")
Standard
mm
79.980
± 0.013
1. Oversize a) (only permitted for aluminum engine block
with cast iron liners)
mm
80.230
± 0.013
Piston running clearance
mm
0.01 ... 0.04
Permissible total wear tolerance between piston and
cylinder
(engine operated)
mm
0.15
TD Pistons with Rings and Pins, M54, B22
BMW AG - TIS
16.02.2013 08:25
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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