Here are links to 3 articles, from PC's archives, that (hopefully) may offer some insight into whether or not what you know about yourself suggests you may be diagnosable as having BPD plus a link to the BPD test here on PC:

Borderline Personality Disorder Symptoms

Borderline Personality Disorder: Symptoms & Treatments

6 Gifts of Borderline Personality Disorder

Borderline Personality Test | Psych Central