Hi I had a blue badge for 8 years before I started my application for PIP but got turned down for Mobility at first. During the course of my application for PIP, I had to reapply for a BB and got it with no problems. Eventually, I got Enhanced but had to go for an Appeal first (The DWP changed their minds before the Tribunal). And I did send copies of my Blue Badges to evidence my application. they decided to ignore every bit of evidence for Mobility.