50
N55 Engine
Valve Lift Adjustment Overview
As can be seen from the following graphic, the installation location of the servomotor has
changed with Valvetronic III. Another new feature is that the eccentric shaft sensor is no
longer mounted on the eccentric shaft but has been integrated into the servomotor.
N55, valve lift adjustment
Index Explanation
1
Valvetronic servomotor
2
Oil spray nozzle
3
Eccentric shaft
4
Eccentric shaft minimum stop
5
Eccentric shaft maximum stop
Front View
Viewed from the
exhaust side
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