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BMW 635CSi Replacement Blower Motor Resistor Information

Your BMW 635CSi's blower motor resistor is the piece of equipment that allows your fan to operate at different speeds. This fan is the device that circulates air through your passenger cabinet when it has been cooled or heated by your air conditioning system or your heating system. There are two different types of blower motor resistors. Older models achieve different speeds by circulating electrical current through coils of wire that have varying degrees of thickness and so, varying degrees of resistance. Each fan speed is associated with a particular thickness of wire. Newer fan models, on the other hand, use transistors.

When your blower motor resistor is wearing out, you may only be able to operate your fan intermittently and your fan may only operate at a single speed. Click through our selection of replacement blower motor resistors for your BMW 635CSi at

BMW 635CSi Blower Motor Resistor They are available for the following BMW 635CSi years: 1989, 1988, 1987, 1986, 1985, 89, 88, 87, 86, 85. This part is also sometimes called BMW 635CSi Replacement Blower Motor Resistors. We stock blower motor resistor parts for most BMW models including 328i, 325i, X5, 528i, 525i, 530i, Z3, 740iL, 323i, 330Ci, 330i, 318i, 540i, 325xi, M3, 325Ci, 750Li, 335i, Z4, 323is, 740i, 330xi, 535i, 325is, 318is, 328xi, 328is, 325e, 745Li, 328i xDrive, 750Li xDrive, 535i xDrive, 745i, 750i, 528i xDrive, 323Ci, 550i, 325, 128i and X3.

We stock these Blower Motor Resistor brands for the BMW 635CSi: Genuine and Standard Motor Products.

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Reviewer: Original part

This part is made in Germany not the USA.

OEM manufacturer as far as I can see.

1985 BMW 635CSi Blower Motor Resistor