Does a l5-s1 bulging disk fully heal over time? if it does, how long does it approximitly take to heal? there is a slight tingling in my heel.

No: Bulging discs never unbuge by themselves. It is possible that symptoms attributed to the bulging disc may resolve over a period of weeks to months. This happens when swelling is the primary cause of irritation of nerve roots causing sciatica. As swelling subsides the symptoms resolve. If the disc is herniated ( excessive bulging) and it causes paralysis and severe pain; it often needs surgery.