This is the answer that VW International gave me about my concernings on my 1.4 TSI expressed on FB.
I suggest everybody who have oil consumption problem to write at the email adress below, we are doing the same in Italy...
Hello Max, in this case we recommend to get in touch with Volkswagen headquarter's customer service via kundenbetreuung@volkswagen.de by stating your name and details as well as your vehicle identification number and your request. The customer service department is where all issues are collected and solved. We wish you all the best.
Here the first result from another user: Wolfsburg
I also received a quick answer by email after my segnalation.
They will probably adress the issue to your local customer service, but the ticket will be opened directly by the headquarter: this is something more than nothing...