Originally Posted by
AlicorporateUK
there's normally no security for non-Schengen transfers at MUC.
Only if arriving from 'one stop security' (OSS) countries, which currently include the rest of the EU, the US, and Canada. If arriving from a non-OSS country, you'd exit on the top-most level of the terminal and have to pass through security to get one down to the non-Schengen level.