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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 08-16-2014, 06:51 PM   #1
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Loose cable near battery

I was replacing my shocks when I found this cable loose behind the battery. Does anyone know where it goes?

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Old 08-16-2014, 06:57 PM   #2
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It's for the alarm tilt sensor.

Originally Posted by mjpgolf1 View Post
The e46 M3 is by far the most boring and worst M3 that BMW has made to date.
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Old 08-16-2014, 07:55 PM   #3
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Either the alarm tilt sensor connector or the connector that was used in transporting the vehicle from Germany. Don't ask me how it was used in transport, I just know there is a loose connector by the battery and that's what it was used for.
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Old 08-21-2014, 07:55 AM   #4
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maybe an accessory wire for people planning on installing battery hybrid system in their vehicle
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Old 08-21-2014, 08:39 AM   #5
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It's used to power car essentials for shipping. It's not an alarm wire.

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Old 08-21-2014, 11:38 AM   #6
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It goes where it is. It's not used after shipment. It's kinda like the CPU battery in your computer, not needed if the computer is on. Your car shipped with a battery there to provide a keep-alive while the service battery was not connected.
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