Removing and Installing All Pistons on 5 Series E39 525i (M54) Car
Insert special tool 11 2 470 in conrod.
Lightly coat pistons and piston rings with oil.
Align contact points on piston rings (offset at approx. 120
°
, but do
not arrange over piston pin lug).
Note:
Piston diameter 84 mm:
Use special tool 11 8 141 .
Piston diameter 80 mm:
Press together piston rings with special tool 11 2 260 .
Install piston so that arrow points to camshaft drive.
Entire circumference of tightening strap must rest firmly on engine
block.
Important!
Danger of piston ring failure.
Press in piston only with finger force (do not knock in!).
Attach crankpin to connecting rod.
RA Removing and installing or replacing all pistons (M52 / S52 / M52TU / M54 / M56)
BMW AG - TIS
17.02.2013 19:34
Issue status (12/2007) Valid only until next DVD is issued
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