5 Series E60 520d (N47) SAL
Align joints of piston rings (offset at approx. 120
°
, but do not
arrange over gudgeon pin eye).
Lightly coat pistons and piston rings with oil.
Prepare piston with piston rings on special tool 11 8 140 .
Screw special tool 11 8 860 on to large connecting rod eye.
Insert piston (1) with connecting rod in cylinder.
Important!
Danger of piston ring failure.
Risk of damage to oil spray nozzle.
Only press pistons into place with finger force - do not knock
in!
Install piston so that arrow points to camshaft drive.
Bolt piston (1) with connecting rod to crankshaft.
The gasket thickness must be recalculated when work is carried
out on the crankshaft drive or pistons.
Measuring the piston clearance:
Fit dial gauge with measuring fixture special tool 00 2 530 on
cleaned engine block sealing surface and set under pretension to
zero.
Position piston at TDC.
Clean piston at measuring points (1 and 2).
Fit dial gauge at measuring point (1) on piston and determine
highest point by rotating crankshaft.
Measure and note down piston clearance at measuring points (1
and 2) on all pistons.
Determine thickness of cylinder head gasket.
RA Removing and installing/replacing all pistons (N47, N47S)
BMW AG - TIS
23.01.2013 16:33
Issue status (12/2007) Valid only until next DVD is issued
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