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      04-08-2009, 10:31 AM   #22
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Drives: 2008 M3
Join Date: May 2007
Location: Raleigh, NC

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Originally Posted by islandguy19 View Post
hey all!

So im getting ready to hardwire my V1 to my 08 e92 m3. Just a couple questions before i do this.

1. Which port should I use in the fuse box (for an 08 m3)? I will be getting a Fuse Tap.
2. What/where (is) bolt or screw do i use to ground?

sorry if these questions were answered already
Originally Posted by SS32 View Post

There are 2 banks of wires with a green & white wire. Make sure to tap/piggyback the green & white wire in the bank of wires closest to the driver's side. The other one doesn't work. And to ground your detector, you may have screws above the console, use one of those. If you don't, you can use a self tapping screw and screw into the roof right beside one of the small holes already there. I did it and it works fine.

Originally Posted by MP0WER View Post
For anyone with a carbon roof the sun visor screw is a great ground, and no drilling or self tapping screws. All you have to do is take your crimpers and flatten out the round insulation portion of your eyelet or what ever connector you're using. Super easy, and it is a solid ground. Sorry, no pics though. Didn't want to get up and get the camera.