Front passenger side speaker is making a buzzing sound if i put the sound/bass up to high so im trying to remove the door panel to get a better look of what is going on.

Is there a step by step guide of how to get it off?

Their is. Seach for a thread started by tfboy. Its a speaker replacement guide but shows you how to remove the door panel.

Only thing I'd say about the guide which I'd change is removing the door handle plastic covers. to remove the small peice (electric windows section) Insert a long thin flat headed screw driver in the hole underneather the lower part of the handle trim. This way you can unclip the upper part without damaging the trim.

Found it, all sorted now, have ordered a replacement speaker as my current one is knackered