OM651 2.2 Bluetec 2015 Top rocker cover bolts torque?

Hi all I could not find the torque settings of the top rocker cover for my 2.2 Bluetec from 2015. Found some oil leaks near the injectors and when checked the bolts 4 of them were loose, I had torqued them to 9Mn but not sure if this is correct torque. Any diagrams or settings would be appreciated. Many thanks Greg.

Hi all I could not find the torque settings of the top rocker cover for my 2.2 Bluetec from 2015. Found some oil leaks near the injectors and when checked the bolts 4 of them were loose, I had torqued them to 9Mn but not sure if this is correct torque.

Any diagrams or settings would be appreciated.

Many thanks Greg.

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