BGP 3 Peers

Hello all i have a ISP who send me a 3 peer sessions in BGP two of them are the default and the third is a backup.
When i enable the third peer trafic go through the third peer, can i set distance or some to the third session is there such a options somewhere ?

Use routing filters
http://wiki.mikrotik.com/wiki/Routing_filters

Thank you mrz i will try :sunglasses: