Air-cond issue
 

Anybody knows the maintenance information for 520i/E34. I found the wind come out very weak, any suggestion

Air-cond issue
 

where are you? Are you in Taiwan or some where else?

Air-cond issue
 

你的冷氣濾網多久沒換了...

Air-cond issue
 

you can first take your car back to the dealership, tell them to take a look at your A/C. And have them give you an advive. If need to be repair, find out the price first, do not tell them to fix it right away, shop around is always a smart move, will save you lots of money.