Aftermarket Heater Resistor / Blower motor will fit the following:
 
1987 - 1996 BMW E34
518g M43
518i M40 M43
520i M20 M50
524td M21 
525i M20 M50
525ix M50
525td M51
525tds M51
530i M30 M60
535i M30
540i M60
M5 S38
1985 - 1994 BMW E32
730i M30 M60
730iL M30 M60
735i M30
735iL M30
740i M60
740iL M60
 
This information is to be used as a guide only, if you are unsure whether this part fits your vehicle please ask.