To test fan find harness connector near fan there are three wires black is valve had popped,,later I discovered the aux fan was not working.
The E39 likes to suck up leaves and crap into the fan. I don’t have the wiring diagram handy (I traced it out), but the BIG wire is ground.
AUX fan wiring diagram E39 ( – ) My aux fan on my 97 i does not run even when my ac is on or when the temp outside is hot. Hi, I know that there are a few threads on problems with aux fan but I just Join Date: Mar ; Location: Lithuania; Posts: 4; My Cars: e39 Ok, looking at the wiring diagram, I would say the most likely reason for my aux fan.
as many of you know, auxiliary fan failure is one of many weak points on most bimmers. additional info: the connector for the fan consists of four wires: .. it’s either part 22 or 31 on this diagram, get 10 of each to be safe lol.Save bmw e39 auxiliary cooling fan to get e-mail alerts and updates on your eBay Feed.
+ Items in search results. Find the right parts for your BMW.
Enter Year. Tell us about your vehicle to find the right parts faster + BMW E39 Auxiliary Cooling Fan for A/C Condensor w/ Shroud USED OEM (Fits: BMW). E39 Auxiliary Fan Wiring Diagram – schematron.org E39 Auxiliary Fan Wiring Diagram New Wiring Diagram Bmw E39 Archives Ipphil Unique Wiring Diagram.
Bmw M5 E39 Fuses Diagram – Another Blog About Wiring Diagram • great of bmw e39 fuse diagram picture amperage description every rh realbitenutrition com. E39 Auxiliary Fan Wiring Diagram wel e to bmw tips wel e to the e39 tips section search tip hit ctrl fthentype in a single word tofind on this page note the following information is to message the initial test turn on the ac does the fan run no then in all likelyhood the fan has gone deceased why the e39 likes to suck up leaves and crap. If the fan motor works, and jumping the wiring from the temperature sensor works – then it’s the temperature sensor that’s bad.
If the fan motor works, and jumping the wiring from the temperature sensor doesn’t work – it’s either the fan relay or the fan fuse that is bad. The fan is mounted between the radiator and the engine and is the main engine cooling fan.
there is no engine driven mechanical fan. On all BMW models up through the late ’90s, the auxiliary (or main) fan is controlled by one or two thermostatic switches that are mounted into the radiator side or bottom tanks.E39 Aux Fan Upgrade How To – schematron.orgBmw E39 Wiring Diagram For Installation On A Subwoofer | Trusted Manual & Wiring Resources
