Hi Vsegar...welcome to the forum bro..congratulation on your 'new' ride...erm sound like your power window's roller has broken..the roller that moving the glass up & down..you cannot buy just the roller, its a complete arm..if yours is a 24v system( 95-96) part is still available at the chop shop, but if yours is 12v system its a nightmare! its not interchange unless your change the whole door!..
FYI, 12v is popularly known as enjin ketam year 89-90 M20 engine, 24v non vanos 90-94 M50 engine and 24v single vanos M50 engine...(not talking about v8 here)