BMW 523i se air conditioning

[dalesony]

hi, ive come to turn my air conditioning on in my 1996 p reg bmw 523i and the revs drop as though its on but i cant feel any cold air or hear any fan under the bonnet is there something that has to be done or bled etc. any help would be great thanks

 

[Bradley_Wint]

Maybe you should check the evaporater cause I am having similair problems with my car. Maybe there might be a leak in the freon gas line as well.