3 Series E90 325i (N53) SAL
Exhaust valves:
Place cylinder head on special tool 11 9 000 .
Press valve spring down on spring retainer with special tools
11 0 009 and 11 9 346.
Remove valve tapers with a magnet.
Remove valve spring and spring retainer.
Set down on special tool 11 4 480 in a tidy and orderly fashion.
Important!
Incorrect installation possible.
Incorrect installation will result in valve spring breakage.
Colour marking (1) is normally on lower end of valve spring.
Installation:
Inlet valve: Violet/green or violet/yellow
Exhaust valve: White/green or white/yellow
If the colours on the valve springs can no longer be identified,
these must be replaced for safety reasons.
Arrangement:
1)
Valve
2)
Valve stem seal with spring plate, bottom
3)
Valve spring
4)
Top plate spring
5)
Valve cotters
RA Replacing all valve springs (N53)
BMW AG - TIS
10.02.2013 02:04
Issue status (12/2007) Valid only until next DVD is issued
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