I intend to replace the valve cover (in EPC called cylinder head cover). There are 15 screws in three types (1 srcew at the back, 3 between the spark plugs and 11 on the side ). What are the torque specs for them?

Thanks!

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1996 E320 since 1/16/08, 171K miles as of Feb 2011

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1989 300CE - R.I.P. Dec 29 2007
Other MBs (sold): 1992 300E-24 - 1979 350SLC - 1984 230E - 1990 300CE