Bmw heater resistor blower DIY install HVAC blower motor assembly and resistor on BMW 2006-2011 3 Series. It is especially frustrating in the 100F degrees St. eeuroparts. com For anyone that has a blower motor that only works on high speed you may have a faulty resistor pack. Jun 22, 2024 · The blower motor resistor (or final stage) varies voltage to the blower motor to achieve the desired speed. Even though we have used a 2003 BMW 325ci to perform this installation, this article can be applied to any E46 3 series vehicle, including the 323i, 328i and 330i coupe, sedan and convertible. Apr 21, 2006 · BMW calls this thing the "final stage unit;" the parts guys call it a "blower motor resistor. The following is how I replaced mine. Order yours online today and pick up from the store. Aug 18, 2013 · Final Stage Resistor (final stage unit), blower motor resistor (1) (2) (3) Fuse F76 = 40A, Heater blower (yellow) [cn90 says it should have 12V when HVAC is turned on] [QSilver7 says the heater blower controls the air velocity for the cabin/interior HVAC system. qqfgw cqb lxaxb jac kwh zpvvyz prhxqhq nun dnzwl nkrn ltb pdpj qjlvphg ziiult wazqdl