Fan, code 2EFE. Suspect fan is goosed

ph001 · Post by **ph001** » Tue Jun 26, 2018 10:57 am

dhobbs wrote: ↑Mon Jun 25, 2018 7:03 am I did pay Munich Legends to fix this, but I've got no faith in them anymore. They did remake the connection to the green wire but without another known working fan it may be hard to test this.

Well if Munich Legends aren't capable of testing the fan with the likes of INPA I wouldn't even trust them to wipe their own arses.

dhobbs · Post by **dhobbs** » Tue Jun 26, 2018 1:24 pm

I have gone off Munich Legends big time. So many people rave about them, but I've had quite a few friends who have had problems with them.

I won't use them again and will not recommend either.

I have now gone to Walkers Autotech. No problems so far!

dhobbs · Post by **dhobbs** » Wed Jun 27, 2018 2:43 pm

Well the garage say it's the fan, so although ML did fix the wiring, the fan is still goosed. So no need to end testing done at ML.

Anyway, a new fan from BMW is £550!!!!
I have taken a punt on a second hand one off eBay for a fraction of the price.

I will update when I receive it.

ph001 · Post by **ph001** » Wed Jun 27, 2018 5:59 pm

2nd hand is the way to go as failures are rare indeed.

dhobbs · Post by **dhobbs** » Tue Jul 03, 2018 8:22 am

Got the second hand fan and installed, still not working.
I am really p'd off now. Either I have two duff fans or the wiring is shagged.
I am going to BMW to see if I can get a new crimp and put a new length in.

Looking at the wire, it is all green and corroded even though it still makes a physical connection, I doubt the electrical properties.

ph001 · Post by **ph001** » Tue Jul 03, 2018 10:02 am

This should never have been difficult to diagnose. Check electrical continuity of green wire with needle test probes. Check 12V present on power connectors. Test fan with INPA.

dhobbs · Post by **dhobbs** » Tue Jul 03, 2018 10:19 am

ph001 wrote: ↑Tue Jul 03, 2018 10:02 am This should never have been difficult to diagnose. Check electrical continuity of green wire with needle test probes. Check 12V present on power connectors. Test fan with INPA.

I'm never convinced with diagnostics at garages.
There is 12v present (even on the fan when unplugged, so must be a capacitor there).

From experience here, the fault is more than likely with the wire. I shall try and do an end to end continuity check.
Does it plug into the DME? Whereabouts is that?

Also, what coolant sensor do I disconnect to force the fan on?

charlie8 · Post by **charlie8** » Tue Jul 03, 2018 11:50 pm

You need INPA, I'm with ph001, everything else is half hearted if you cannot fire the signal to test it and diag from there ....

dhobbs · Post by **dhobbs** » Sun Jul 08, 2018 5:31 pm

Update.
I got another contact pin from BMW (part number 12 52 1 427 612 - about 70p), spent a hot afternoon digging the old pin out and crimping a new length of wire, and hey presto, fan works.

Before you all say "we told you so", I've had two renowned BMW independent garages fail to sort this, at my expense. I'm going to go back to Walkers and argue their incorrect diagnosis and see what they say.

Fixing this was one challenge, getting anything out of a garage will be another.

I now have a spare fan (along with radiator and condenser) if anyone is interested. Oh, that fan definitely works too!

charlie8 · Post by **charlie8** » Sun Jul 08, 2018 8:31 pm

Glad you got it sorted, not the weather to sit in jams not knowing if the fan works

The knowledge base on this forum trumps any garage trying to make a buck. Although a independent should know better ...

ph001 · Post by **ph001** » Sun Jul 08, 2018 11:26 pm

Nice one, glad you got it sorted in the end.

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