The BMW E46 blower resistor is an electronic part that controls the fan speed of your vehicle's heating, ventilation, and air-conditioning (HVAC) system. Since most drivers constantly change the fan speed of their HVAC system, the resistor is prone to extreme wear and is a common point of failure in most BMWs.
Mar 26, 2013. #4. Generally if the module is a resistor, there is one position where the. motor is fed directly. So when the resistor goes open, your only speed. is full blast or off. If you have more speed values than could be explained by taps in a. resistor, then you have an electronic control of some flavor.

3.Blower motor does not work on certain settings . Another common symptom of a faulty blower motor resistor is a a blower motor that does not function on certain settings. If the blower motor resistors’ internal components fail it may cause the blower motor to malfunction, or not function at all on one or more of the settings.

Reasons a Nissan NV3500 Heater Isn't Working. Nissan NV3500. The most common reasons a Nissan NV3500 heater isn't working are a broken heater blower motor, a problem with the thermostat, or a failed heater blower motor resistor. 0 %. 31 % of the time it's the.

The average cost for a Jeep Renegade Blower Motor Resistor Replacement is between $246 and $262. Labor costs are estimated between $62 and $78 while parts are typically priced around $184. This range does not include taxes and fees, and does not factor in your unique location. Related repairs may also be needed. When replacing your FSU, also consider changing the microfilter and inspecting the blower motor operation (a failing blower motor may be a contributor to premature FSU failure). This is a blower motor resistor made by ACM, an OEM supplier to BMW for many electrical parts. BMW Fitments: 3 Series E46 (99-05) > 320i E46 (99-05) > 323Ci E46 (99-05 nfjJ. 111 265 158 195 75 254 68 3 257

bmw blower motor resistor symptoms