BMW E30 318i 1991

1991 BMW E30
Question 1) My Car wont seem to turn over! I can hear a faint clicking sound (1 time each time I try) and all the power stuff works ie; windows, wipers,lights,etc.) but it still wont turn over….

due to it not turning over this takes me to…..

Question 2) When my car is shifted into neutral and the E-Brake is off I am able to push the car forward or wherever it is I need to move it! as soon as I try putting it into 1st, 2nd, 3rd, etc. and pushing the clutch pedal all the way down it does not want to move