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      05-24-2008, 09:47 PM   #1
Swift135
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New owners please check!

Had a look at the battery and found a wire just floating around not attached to anything?:iono: It has a plug attachment on the end but nothing in sight that it would be attached to. It branches off a similar wire that attaches near the +ve terminal. Can any new owners please have a quick look to see if it is the same in their cars. Cheers.
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      05-24-2008, 10:08 PM   #2
Kris
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Alarm maybe?
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      05-24-2008, 10:52 PM   #3
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Towbar...hahahaaa
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      05-24-2008, 10:58 PM   #4
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570cca nice! Varta / Bosch make good batteries.
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      06-09-2008, 09:23 PM   #5
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Did this ever get discovered ?
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Eta May 08 135i White/Coral red/Man/Roof/Hi Fi
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      06-09-2008, 09:34 PM   #6
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Could it be used to isolate the car alarm - kris already mentioned it.
I was wondering if its not actually connected...is it attached to a 1 series with optional alarm...they dont come preinstalled.:iono:
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      06-09-2008, 09:44 PM   #7
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I'd say that's definitely a 'wire up' for an optional extra which you don't have installed on the car :smile: unfortunately I would have no idea which extra that is...:iono:

Most makes actually fit the full array of wiring looms to all the variants of a particular model and then just wire up what the individual car has installed.

I've stripped alot of my previous cars for various DIY installs and found this to be the case with all of them
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      06-09-2008, 10:27 PM   #8
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My Vert has the mystery wire also..
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      06-10-2008, 03:37 AM   #9
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Yes i too have the dangly wire. Was suggested to me that it relates to the front parking sensors if fitted. A mystery.......
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      06-11-2008, 07:48 PM   #10
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Quote:
Originally Posted by qship View Post
Yes i too have the dangly wire. Was suggested to me that it relates to the front parking sensors if fitted. A mystery.......
That could in fact be what it is :smile:

If there's anybody here with that option, they could confirm and solve the mystery :smile:
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      06-11-2008, 08:05 PM   #11
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I have that wire, but it's plugged into the negative battery terminal. Pics coming...

edit: went out to garage took pic and added:
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      06-11-2008, 08:19 PM   #12
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That battery set up is different to ours in Australia. I wonder if we miss out on the efficient dynamics "on demand" battery charging?
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      06-11-2008, 08:28 PM   #13
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Dunno.

The battery is the same (they both show part number 118668-10), but that red/black add on assembly (distribution block) is different on your car.

If you look at this picture, you can clearly see that there is a different distribution block for cars equipped with iDrive (which I do not have), but i do have premium audio, which may be what those wires are for.. to go to the more powerful amp.
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      06-11-2008, 08:42 PM   #14
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I have the Pro Nav and the standard sound system..Still have the loose wire..
So you could be right..
Who has the Hi fi upgrade to check...Raj..Kris??
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      06-11-2008, 10:58 PM   #15
Kris
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Ill try and check for you guys later
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      06-12-2008, 12:51 AM   #16
Swift135
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Quote:
Originally Posted by Zuzu View Post
I have the Pro Nav and the standard sound system..Still have the loose wire..
So you could be right..
Who has the Hi fi upgrade to check...Raj..Kris??
I have 6MT with HiFi upgrade (logic 7) and don't have nav.
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      06-12-2008, 01:06 AM   #17
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Ok..well there goes that theory..
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      06-12-2008, 03:45 AM   #18
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Will try to check but not tonight. Haven't even popped to hood yet.
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      06-12-2008, 05:01 AM   #19
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Quote:
Originally Posted by Sydneysider View Post
Will try to check but not tonight. Haven't even popped to hood yet.
WHAT....
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      06-12-2008, 05:39 AM   #20
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Ladies,
supposedly the mystery wire is...."for the battery isolation switch, which is fitted to the BMW 1series during transportation of the vehicle to Australia".

Straight from the dealers guy...

Mystery solved?
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      06-12-2008, 05:45 AM   #21
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Well thank you kind sir..
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      06-12-2008, 05:48 AM   #22
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Quote:
Originally Posted by Zuzu View Post
Well thank you kind sir..

No worries.
As an aside....are all those of you intending to blow your engines on your Dyno run going to let us in on how much power you're getting?
That'd be interesting.
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