Both key remotes stopped working suddenly
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Joined: Dec 2007
Posts: 5,972
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From: The State of Southern NJ!
+1 ... had one done ... the other has functioned normally for almost 4 years now! I suspect the battery stock may have been older for the one CA Fob because these batteries seem to last as long as their shelf life.
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Joined: Dec 2007
Posts: 5,972
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From: The State of Southern NJ!
My car has just come back form the dealers after being fixed for both keys remotes not working. Although my car is a touring so the location of the diversity amplifier module is in a different place it had been subject to water ingress (its located in the rear spoiler of my car). There is a thread on the same thing here might be worth finding out were that is located on your car. None of your key settings will work like the drivers seat memory, indicator settings etc as they are activated by the remote not the key being inserted into the ignition. Mine started failing intermittently at first and would sometimes not lock or unlock the car first go, after about a month it failed all together. Luckily my car was still one month away from being out of warranty so it was covered.
Got to look at aftermarket warranties now, these cars just cost to much when stuff goes wrong.
Got to look at aftermarket warranties now, these cars just cost to much when stuff goes wrong.
BTW, that link in your post isn't working!
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Joined: Dec 2007
Posts: 5,972
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From: The State of Southern NJ!
I've one of the earlier models, which didn't have comfort access available yet, so I've the "normal" keys (see image below).
As for my warranty, it of course expired a few months ago so I'm out of luck!
My dealer is a thief and won't look at the car to tell me w/o shelling out $170 just to tell me what the problem is!
As for my warranty, it of course expired a few months ago so I'm out of luck!
My dealer is a thief and won't look at the car to tell me w/o shelling out $170 just to tell me what the problem is!
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Joined: Mar 2009
Posts: 606
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From: OK
My Ride: 540i
Model Year: 2017
Thanks Dandle! 
I have a touring too! It looks like this is a common design flaw for the E61!!!
We've had lots of rain recently over here in California. I bet I have the same issue. I'll see if I can figure out how to access this wiring for inspection.
How did you get yours fixed? Did they replace the amplifier? The wires? Or just tinkered with them?
Trying to get handle on whether it's something I can fix on the cheap or if I have to take it to the dealership...
Thanks again! The dealership's engineers' knowledge is dwarfed by this community!
I have a touring too! It looks like this is a common design flaw for the E61!!!
We've had lots of rain recently over here in California. I bet I have the same issue. I'll see if I can figure out how to access this wiring for inspection.
How did you get yours fixed? Did they replace the amplifier? The wires? Or just tinkered with them?
Trying to get handle on whether it's something I can fix on the cheap or if I have to take it to the dealership...
Thanks again! The dealership's engineers' knowledge is dwarfed by this community!
If I'm not mistaken the "rear window aerial" is also the rear window defroster. I would check connections in that area.
And you are correct about having the Car Access System instead of the Comfort Access System
Contributors
Joined: Jan 2008
Posts: 607
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From: London, UK.
My Ride: 07 E61 530d M-Sport.
Heres the full link https://5series.net/forums/topic/930...1&#entry110098. To fix mine they just replaced the divesity module due to it being damaged/corroded by water. It doesn't need reprogramming either and theres no wiring damage I know of yet.
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