Got a question

I bought a hex key repair kit from dealer today, but i don't know how to take off the old one? It seems not screw in.

Any people try replace that one before? Could you give me some hints?

The one that i want to replace on the picture #53

http://www.detali.ru/cat/oem_mb2.asp?TP=1&F=201028%5F15C&M=102%2E98%5F504&GA=722%2E408&GM=717%2E412413&CT=M&cat=504&SID=07&SGR=015&SGN=02

Thanks