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Help! E60 alarm keeps going off

BMW forum 5 series car: E12, E28, E34, E39, E60, E61, F07, F10, F11

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Help! E60 alarm keeps going off

Postby caveman » Thu, 04 Feb 2010 14:56:21 UTC

Hi Everyone,

Our 04 plate 530i started blasting its alarm last night. Turning it off, doing a run in the car, double-locking both by key and by remote all failed to stop it. The moment I rang the AA it stopped and it let me have an hours sleep before going again. It then turned in for the night and waited until I was ten minutes down the road to the station before going again. Sorry wifey!

Has anyone else had this problem or does anyone know how to fix? The AA guy checked the battery (OK) and I checked all the doors, boot and bonnet (all shut properly). He couldn't read the fault codes (they are not allowed to review all of them) so I don't know yet if there is a specific sensor issue. Any ideas?

Cheers,

David
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
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Postby roadhog » Thu, 04 Feb 2010 15:17:27 UTC

I'd guess at something draining the battery enough for the alarm to notice. The last time this happened to me (on another car) it was because one of my kids had left one of the rear interior lights switched on, I didn't notice until after dark.

When you lock your car, does it go to sleep after 20 minutes? Check if the red LED next to the gear lever goes off. That might be a starting point?

Failing that, stick it into a dealers and get the fault codes read properly.
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Postby caveman » Thu, 04 Feb 2010 16:17:27 UTC

Thanks Roadhog,

I'll ask my wife to check the rear reading lights as the kids sometimes play with them.

Wish I could go to sleep after 20 mins!

Cheers,

David
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
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Postby caveman » Fri, 05 Feb 2010 10:03:28 UTC

Bump!

Any other thoughts? I'm getting the codes checked at the garage today. Fingers crossed...

Cheers,

Davdi
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
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Postby Taz 335DSA » Fri, 05 Feb 2010 11:17:33 UTC

[font=Tahoma]caveman,

Probably a bit late in the day, but check the under bonnet switch.

Not had a problem with this motor, but had the same issue with my previous E39.

As I recall, dealer disconnected the switch, (had to wait a few days for a replacement to be sourced) and all was well when it was replaced.

May not be this in your case, but got to be worth a look ... T[/font]
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Postby caveman » Fri, 05 Feb 2010 13:53:22 UTC

Thanks Taz,

I'll see if the garage can identify the fault through the codes but if not I was going to try to look at some of these sensors.

Cheers,

David
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
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Postby caveman » Fri, 05 Feb 2010 13:57:40 UTC

Update: garage has cleared out faults and reset door sensors so now we are on a wait and see.

Cheers,

David
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
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Postby caveman » Sat, 06 Feb 2010 18:53:24 UTC

Update:

Went off again a few times but seems to have settled down and stopped doing it so none the wiser! It's going in for some routine stuff so we'll have a decent check then. If anyone has any thoughts they will be very welcome! One good thing is that the doors lock automatically after a certain time which is good to know if you have ever forgotten to lock the car up.

Cheers,

David
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
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Postby 540i Sport » Sat, 06 Feb 2010 22:10:39 UTC

Same prob i had, i replaced the bonnet switch and all has been fine for 2 years plus. Just dissconect yours and see if the alarm keeps going off if it does'nt then thats your problem.

good luck
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Postby caveman » Sun, 07 Feb 2010 16:09:21 UTC

Where is the bonnet switch on the E60 model? I had a look earlier and couldn't see any pressure switches?

Cheers,

David
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
caveman
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Postby Clavurion » Sun, 07 Feb 2010 18:03:19 UTC

If the codes are read with proper software it will show what has caused the alarm.

Bonnet switch
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Postby caveman » Mon, 08 Feb 2010 10:56:05 UTC

Thanks,

I checked the switch and it seems to work ok but when I used a little pad (stuck on the inside of the bonnet) to make sure the switch was fully depressed the car went a bit :banned:. so there is something going on. Maybe I'll change it as a matter of course if it is cheap.

Cheers,

David
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
caveman
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Postby Clavurion » Mon, 08 Feb 2010 11:10:29 UTC

caveman wrote:I checked the switch and it seems to work ok but when I used a little pad (stuck on the inside of the bonnet) to make sure the switch was fully depressed the car went a bit :banned:. so there is something going on. Maybe I'll change it as a matter of course if it is cheap.


Or just unplug the connector and short circuit it with a wire so the bonnet will always be "closed".
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Postby caveman » Mon, 08 Feb 2010 11:45:04 UTC

three prong connector!
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
caveman
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Postby Clavurion » Mon, 08 Feb 2010 13:01:21 UTC

caveman wrote:three prong connector!


With only pins 1 and 2 connected. CLICK
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Postby caveman » Mon, 08 Feb 2010 14:02:02 UTC

Thanks
David
F10 530D
E60 530i - now in a new home
E39 535i - rather terminal looking repair needed, currently scratching head
E39 535i - sadly written off
E28 528i - now with an enthusiast
caveman
Overdrive

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Posts: 327
Joined: Tue, 17 Aug 2004 16:14:28 UTC
Location: Bucks, England
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