0w20 is the only recommendation for the 1.5T in various (because i can't say "all") countries under the guise of Vauxhall and Opel; including the UK and Germany
It's just fine. Yes, the sensor does its job without much fuss or in-your-face alarms. Most of my family is 6ft or less. So we don't find it cramped (addressing a different poster's concern).
Mine had to do with the condition of the filters upon arrival. If my memory serves me correctly on the numbers, three of eight filters were dented and one of the eight had noticeable rust.