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the left dip headlight bulb keeps blowing, are there any things that may cause this to occur or is it faulty bulbs, I have notice it seems to pop on turn on.

First question; are the bulbs that keep blowing genuine or aftermarket non-genuine?

If non-genuine, you could try procuring another bulb from the franchise dealer for your particular make/model, or go back to the outlet who sold you the bulb, and ask if their bulbs meet the required standards.

What happens if you swap the bulbs left to right? It may help eliminate the bulb from a wiring problem.

Apart from the above, our best advice would be to take the vehicle to your local auto electrician and ask them to check out things such as wiring connections and alternator charge.