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N55 JB4 Circuit Board?
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10-15-2014, 10:20 AM | #1 |
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N55 JB4 Circuit Board?
Hey,
I bought a used JB4 for my N55 335i. I connected it up, started up the car and it gave me an engine malfunction code. I'm pretty sure I followed the instructions to a tee (my friend was there double checking the install every step of the way). Pulled it off and everything worked fine. I just want to make sure I have a legitimate JB4 board. It doesn't say JB4 or stage 2 anywhere on the board. View post on imgur.com View post on imgur.com Is this a legitimate N55 JB4? |
10-15-2014, 12:51 PM | #3 |
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Go to his house with some friends and demand your money back. What a scum.
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10-15-2014, 02:29 PM | #5 |
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man that blows. this is what it should look like
http://www.n54tech.com/forums/showthread.php?t=17800
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