vrrp and bgp

Hello,

  1. i have a colocation service with a datacenter and i have 2x mikrotik router and i have around 50 VLANs on my router and i have bgp session with my upstream so the question is many of my users gateway is the ips that i have set for their VLANs so i can not set 192.168.1.10/32(for example) on vrrp interface and tell everybody set this as gateway! can anybody give me a hint that how can i keep my users gateway untouch ?
  2. in VRRP when a router is in backup state it does not respond to packets ? or it does not establish BGP with my upstream ? because if both router has established BGP with my upstream i think i prepend the second router, does not it?
    thanks