E30 Zone

Need some help / advice on hoe to change alternator on me 320 cabbie.

there are 2 tension nuts one at the back and one at the front undo them slip the belt of (take the earth of the battery FIRST)then undo the electric wires take the bar at the back out which got through the back of the alternator then it should come out then reverse every thing i said then it should be do hope this helps regard scott