E53 Gone Loco ***SOLVED***

[g300d]

Originally Posted by Overboost

Gave it a shot but no love. Disconnected battery terminals, shorted together for 10 seconds to drain any memory and reconnected

Sorry to hear that.

What particular modules are you not able to access? I think the malfunctioning stuff you mentioned is under the GM3 module?

Checking for water intrusion as suggested is a good idea I think. Maybe check all the fuses too.

[Overboost]

Thank you everyone for your ideas and inputs. Special shout out to Andrew for spending half his day with me scanning and diagnosing my issues. Everything we look at on online forums and the help from here, points to the ignition switch so as said by CN90, it is a low cost effort to rule out this problem. I am ordering a Genuine BMW switch today and will update you if this fixes the problem.

[Effduration]

What about the visor test? Did you try it?

If it works, it is an even lower cost way - uh, free... to rule out the Ignition switch..

[Overboost]

Originally Posted by Effduration

What about the visor test? Did you try it?

If it works, it is an even lower cost way - uh, free... to rule out the Ignition switch..

Yes, thank you. The visor test didn't give me the aha moment but all my symptoms seem to be the same as others with air bag lights, no rear wipers, no vanity lights , no horn, etc. At almost 22 years old, my X5 certainly could use a new ignition switch, even if it doesn't solve my issues but I am encouraged. If not, there is always more beer...

[g300d]

Originally Posted by Overboost

Thank you everyone for your ideas and inputs. Special shout out to Andrew for spending half his day with me scanning and diagnosing my issues. Everything we look at on online forums and the help from here, points to the ignition switch so as said by CN90, it is a low cost effort to rule out this problem. I am ordering a Genuine BMW switch today and will update you if this fixes the problem.

Very cool, good on Andrew for going above and beyond!

Effduration's hunch looks to be close.

So you are going ahead with the ignition switch? Let us know if it solves it please!

[Overboost]

Originally Posted by g300d

Very cool, good on Andrew for going above and beyond!

Effduration's hunch looks to be close.

So you are going ahead with the ignition switch? Let us know if it solves it please!

Yes, indeed. I ordered the Genuine BMW switch from FCP Euro yesterday with expedited shipping so I should have in hand on Tuesday. I will keep everyone updated

[g300d]

Originally Posted by Overboost

Yes, indeed. I ordered the Genuine BMW switch from FCP Euro yesterday with expedited shipping so I should have in hand on Tuesday. I will keep everyone updated

Thanks, hope that fixes it then, good luck!

[Overboost]

Thank you everyone for your help and assistance. The ignition switch solved the problem!

I have to say, this kind of family on our forum just amazes me. The help, the discussion, the knowledge that can be found from one post. Astonishing.

[wpoll]

Originally Posted by Overboost

Thank you everyone for your help and assistance. The ignition switch solved the problem!

I have to say, this kind of family on our forum just amazes me. The help, the discussion, the knowledge that can be found from one post. Astonishing.

Glad it's sorted, OB!

And yeah, this place is one of the top reasons I'm keeping my e53 running!

[andrewwynn]

The phone call really sped up that process vs. back and forth on the thread but xo is the place to find the answers for sure.

About half way through the call i was pretty confident enough symptoms overlapped it "had to be it". Thrilled it was the issue.


–awr–

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