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12 13 ... Normal oscillogram (N42, N62)
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Notes
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12 13 ... Normal oscillogram (N42, N62): Notes
WARNING:
This page is about a different car, the 2005 BMW 645Ci and 2004 BMW 645Ci. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Identifying Combustion Period Graph
Courtesy of BMW OF NORTH AMERICA, INC.