Be careful of your oil consumption, it could be an issue with the EGR breaking down internally and particles of aluminium have got into the oil and scored the bore causing high oil usage.
Lots of cases of this happening in Europe, there a fb group for people with the issue. Mostly pertains, but not limited to, CFCA model engines.

Search Facebook for: VW T5.1 excessive oil use for CFCA engines. It's a private group but they should let you in. Loads of info in there.