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11.39
Installing piston with conrod
•
Turn the corresponding crankpin to bottom dead
centre.
•
The piston ring gaps must be offset by app. 120°
in each case.
L Note:
The gap of the micro-chamfer ring in groove 2 is de-
termined by the pin.
•
Oil the piston rings, piston skirt and cylinder wall
thoroughly.
LT110590
•
Using tensioning strap, BMW No. 11 2 925, com-
press the piston rings.
•
Insert the piston with conrod into the cylinder.
•
Drive the piston carefully into the cylinder with a
hammer handle.
•
The arrow on the piston crown must point to-
wards the timing end of the engine (cyl. 1).
•
Make sure that the pistons are in the same
weight category.
LT110600
11 2 925