5 Series E39 523i (M52TU) SAL
11 25 Pistons with Rings and Pins M52TU B20
Piston and piston pin are paired - replace together only.
Measuring point "A" (position)
mm
6.5
Piston diameter (measuring point "A")
Standard
mm
79.985
± 0.009
1. Oversize a) (only permitted for aluminum engine block
with cast iron liners)
mm
80.235
± 0.009
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, M52TU, B20
BMW AG - TIS
15.02.2013 03:38
Issue status (12/2007) Valid only until next DVD is issued
Copyright
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