Genuine BMW Fan Resistor for AC / Aux Electric Fan - 17401373177

Genuine BMW Part Number 17401373177 (17-40-1-373-177)

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Price:
$35.50

This resistor unit is used for the condenser fan of the air conditioning system of many classic BMW models, including E30 3 series and E30 M3, many classic 5 series including E12, E28 and E34, the E24 6 series, and both the E23 and E32 7 series. 

This part is listed by BMW as BMW part number 17401373177 (17 40 1 373 177) and is described by BMW as "Resistor Bosch", and is the same part you might expect at your BMW dealer with the same Genuine BMW quality (only at a lower price!)

Has your electric auxiliary fan stopped working on your classic 3/5/6/7 series? Have you tested the fan itself to be good, but can't figure out why it won't work? This resistor is often completely missed when diagnosing why your aux fan or AC is no longer working. When the fan's resistor pack unit has failed, it will no longer supply the correct voltage to your electric aux fan. 

This is a common problem on some of these classic BMWs with aging air conditioning and wiring systems. When your fan resistor has failed, you will most likely get no voltage or intermittent voltage, causing the fan to simply not work, despite other components such as relays and fuses being in order. 

For full BMW fitment information or for assistance from one of our BMW experts, we recommend calling us at 877-639-9648.

BMW Fitments:

3 Series
E30 (84-91) > 318i
E30 (84-91) > 318is
E30 (84-91) > 325e
E30 (84-91) > 325es
E30 (84-91) > 325i
E30 (84-91) > 325is
E30 (84-91) > 325ix
E30 (84-91) > M3
5 Series
E12 (77-81) > 528i
E12 (77-81) > 530i
5 Series
E28 (82-88) > 524td
E28 (82-88) > 528e
E28 (82-88) > 533i
E28 (82-88) > 535i
E28 (82-88) > M5 (87-88)
6 Series
E24 (77-89) > 630CSi
E24 (77-89) > 633CSi
E24 (77-89) > 635CSi
E24 (77-89) > M6
7 Series
E23 (77-87) > 733i
E23 (77-87) > 735i
7 Series
E32 (88-94) > 735i
E32 (88-94) > 735iL
E32 (88-94) > 740i
E32 (88-94) > 740iL
E32 (88-94) > 750iL
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