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      12-22-2012, 12:36 AM   #2
skinrock
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Drives: 2013 Fusion AWD
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2007 335i  [3.45]
There are a few places you can tap into on your fuse box to achieve this, or you can splice into wires in your shifter area (may not be the case on manuals) or in the mirror/sunroof module area.

Best thing you can do is buy a multimeter from Radio Shack and test...they are like $15-20 and a good investment.

On a side note, is he planning on using this as an interior light? Because having it on permanently does not seem like a wise idea at all, depending on where you're putting it and what its purpose is.