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      08-26-2009, 08:52 AM   #16
efunroom
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Drives: E90 325
Join Date: Jan 2008
Location: China

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Quote:
Originally Posted by VP Electricity View Post
Not really. You are reading too much, and E46 is way diff than E9x. You need more actual experience and knowledge gained empirically, and you need to get off the damned internet, sir

I also think so. too many infomation in internet which really make me confused. I agree with you. The more efficient way to get a clear answer is to test it myself. I'll find a local store to use oscilloscope to test the HU output. If it is a real balanced signal, then I need to find out how BMW use 2 wires to transmit it. The last thing is to test it with the bit one