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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 08-09-2011, 05:43 PM   #1
cyberlando
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E46 wat is this part? 2002 330

what does this thing right here do?

i took it down and broke a few clips so it falls down often wat is the part so i can replace it?
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Old 08-09-2011, 05:45 PM   #2
sedanpowersc
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I believe its a motion sensor for the alarm
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Old 08-09-2011, 06:11 PM   #3
TekNoire7
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Yeah i would like to know what it is as well
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Old 08-09-2011, 06:18 PM   #4
rizwan1377
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Yes, it is the motion sensor. If you don't have alarm system in your car then it has no purpose.
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Old 08-09-2011, 06:19 PM   #5
Solidjake
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It's the COVER for the motion sensor which is for the alarm. Our cars come with the wiring but not the parts. If you want the alarm system you have to buy the three parts and have the car coded for it.
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Old 08-09-2011, 10:09 PM   #6
flashmeow
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Solidjake is correct.

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