Thread: DIY: Installing the Factory E90 Alarm
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      12-02-2011, 11:24 PM   #496
matrix76
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Quote:
Originally Posted by HFe92 View Post
just have a question. do you have to disconnect the negative battery terminal to do the install? will something go wrong if you don't disconnect it?
Update, I was thinking of my BMS powerbox when I commented, sorry, you can install the alarm without disconnecting the battery, I had NP
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Last edited by matrix76; 12-03-2011 at 12:24 AM..
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