New Final Stage Unit / AC Blower Resistor For BMW E36 318 323 325 328 M3 64116929540Blower Motor Resistor Final Stage Unit FSU for BMW E36 3 Series, M3 Do you have a 1992 1999 BMW 3 Series Coupe, Sedan or Convertible where the vent air stopped blowing on certain speeds and or it doesn't blow out of the vents at all? If this is your issue, the problem is not the climate control. This FSU will fix these issues! Plug and play Mfg Part # 64116929540 Previous Revisions: 64118362931 64118376174 64118380580 Application Guide: 1992 1999 BMW