Hi Marvin,
thanks for your feedback. There are still several errors left:

https://tools.geofabrik.de/osmi/?view=geometry&lon=-99.85880&lat=16.87732&zoom=12&baselayer=Geofabrik%20Standard&overlays=self_intersection_ways%2Cself_intersection_points%2Csingle_node_in_way%2Cduplicate_node_in_way

Guido