jkj Posted November 4, 2022 Share Posted November 4, 2022 I think my final stage resistor has failed (heating A/C blower. There seems to be many variants of this. Does any one know how I can find the correct part number. 2014 520d F11 184hp/135kw Thanks Quote Link to comment Share on other sites More sharing options...
AndrewToo Posted November 4, 2022 Share Posted November 4, 2022 Out of interest bud, what symptoms are you getting? Quote Link to comment Share on other sites More sharing options...
neil.o Posted November 4, 2022 Share Posted November 4, 2022 suggest Realoem dot com, and drill down into Vehicle Electrical section or Heating/Air Conditioning section to find part no. If part has been superceded multiple times or you're going in a hyperlink loop to find the current part no., maybe ask Cotswold BMW on this forum. FYI - when battery charge is very low, the car shuts down the blower speed control among other things, and the blower will only work at full speed on Windscreen Defrost mode. This seems like the resistor failure mode of old, but is actually the car "protecting" itself until battery is charged up again. With all the WFH over past couple of years this happened me a couple of times, so I just bought a CTEK battery charger and try to use it regularly. Quote Link to comment Share on other sites More sharing options...
Stringbag Posted November 4, 2022 Share Posted November 4, 2022 https://bmwsupply.co.uk/?gclid=CjwKCAjw8JKbBhBYEiwAs3sxNxT2QWDJMhm__6BfzsM5nQ2X_5BUAH3jEht5dpZmXEPQy_gC6TpO7RoC2VcQAvD_BwE Quote Link to comment Share on other sites More sharing options...
jkj Posted November 6, 2022 Author Share Posted November 6, 2022 Thanks to all - Much appreciated - will look at it all tomorrow Quote Link to comment Share on other sites More sharing options...
jkj Posted November 6, 2022 Author Share Posted November 6, 2022 On 04/11/2022 at 19:14, AndrewToo said: Out of interest bud, what symptoms are you getting? Fan motor spasmodic (usually not working at all) - when it does work will only go to power level 3 -anything over and it stops. Quote Link to comment Share on other sites More sharing options...
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