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Increased battery discharge.

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Increased battery discharge.

Postby Mealliemouth » Wed, 05 Feb 2014 09:35:01 UTC

Increased battery discharge.
BMW 520d M Sport(56)
This is the error coming up when I start my car.
The car starts fine but all the data stored has reset.
Also I have noticed that the fan has stopped working.
Please can anyone advise, do I just need to change the battery ?

Cheers

Marty
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Re: Increased battery discharge.

Postby slim_boy_fat » Wed, 05 Feb 2014 10:22:00 UTC

Welcome Marty.

These cars are very 'voltage sensitive', so it looks like you're experiencing the first indications of a failing battery - the car senses this and shuts down "non-essential" circuitry. Are you still on the original battery? If so, you've done well.

Don't forget to get any replacement battery registered to the car once fitted.
Never underestimate the power of thrawn.
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Re: Increased battery discharge.

Postby Mealliemouth » Wed, 05 Feb 2014 10:57:12 UTC

Cheers,
That's what my first thought was, Yes it's the first battery change so admittedly it's done well.
You say to get it registered to the car......... How do you go about doing that ?
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Re: Increased battery discharge.

Postby ragtop steve » Wed, 05 Feb 2014 11:20:18 UTC

slim_boy_fat wrote:Welcome Marty.

These cars are very 'voltage sensitive', so it looks like you're experiencing the first indications of a failing battery - the car senses this and shuts down "non-essential" circuitry. Are you still on the original battery? If so, you've done well.

Don't forget to get any replacement battery registered to the car once fitted.




Yes, what he said,,,,, you may also want to speak to BMW and ask if its had the recall for the battery cable as this was also causing issues. Had mine done and a new battery and coded/registered to the car and NO more issues
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Re: Increased battery discharge.

Postby slim_boy_fat » Wed, 05 Feb 2014 11:34:11 UTC

Mealliemouth wrote:...You say to get it registered to the car......... How do you go about doing that ?


You need appropriate software and a laptop, or a good Indy will do it for you at little cost.
Never underestimate the power of thrawn.
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Re: Increased battery discharge.

Postby Mealliemouth » Wed, 05 Feb 2014 12:05:30 UTC

Nice one guys.
I will give my dealer a call and book in for the recall.

muchas gracias.
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Re: Increased battery discharge.

Postby Mealliemouth » Tue, 25 Mar 2014 13:58:17 UTC

I have disconnected the IBS from the battery and all problems solved, this was done about a month ago and had no problems since.
So fingers crossed I have no more issues.
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Re: Increased battery discharge.

Postby e60 535d » Tue, 25 Mar 2014 14:04:23 UTC

Mealliemouth wrote:I have disconnected the IBS from the battery and all problems solved, this was done about a month ago and had no problems since.
So fingers crossed I have no more issues.


Done exactly the same with mine i got the message every day but car has never failed to start, even though im still on original battery i thought i would try disconnecting ibs, i have noticed my alternator is charging slightly lower so time will tell if its sufficient to keep the battery fully charged. Anyone know how much a new ibs is for the e60?
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Re: Increased battery discharge.

Postby johned » Tue, 25 Mar 2014 19:17:17 UTC

Had a similar problem last year with mine (55 E61 525 M-Sport) when I had done a few of days of short town trips in cold weather with all the electrics on (rear heated screen, wipers, fan on full to demist with aircon, cd player, sat nav, lights, etc.). A long weekend run of 60 miles on the motorway cured it and it's never returned but I could just be lucky.
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Re: Increased battery discharge.

Postby e60 535d » Wed, 26 Mar 2014 02:16:15 UTC

right well disconnecting the ibs is a bad idea as the car doesnt tell you the battery is low so it just runs very low until it wont start like tonight, i was sat in the car with music on for 20 mins and then it wont start just get all electris flickering and allsorts of warning lights popping up, so best to leave ibs connected then when it warns you its low you can turn electrics off and charge battery. My only issue is halfords checked the battery and they said it was fine just needed a charge so i wonder whether to keep charging it or just get a new battery.
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