Well as I am aware there are S2 failures also . Those failures concern low compression at low millage. THIS reminds me the S1 compression failures at low millage.

So I guess that the S2 new design OMPs etc or the extra beck will not be the solution !
In my opinion the problem with all renesis engines either S1 or S2 is the material that apex seals are made off. Probably ceramic or some other material should be used if we want renesis to withstand for many miles with no compression problems.