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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > Jb4 harness question!



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      02-19-2014, 08:29 PM   #1
1ndonlySG
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Jb4 harness question!

Hey guys I'm picking up a jb4 for my 2013 n55. I just have one problem. The owner of the jb4 does not know what harness it is. Does anyone have a pic showing a difference between harness A and B? Thank you!
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      02-19-2014, 08:42 PM   #2
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      02-19-2014, 08:51 PM   #3
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Quote:
Originally Posted by 1ndonlySG View Post
Hey guys I'm picking up a jb4 for my 2013 n55. I just have one problem. The owner of the jb4 does not know what harness it is. Does anyone have a pic showing a difference between harness A and B? Thank you!
What Year is his car? Most 2012 and 2013 are harness b, most 2011 are harness a.
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      02-19-2014, 09:51 PM   #4
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Hey thanks but does this look like a harness A or b? Thank you
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      02-20-2014, 08:01 AM   #5
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2011 335Xi  [0.00]
Harness A
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      02-20-2014, 09:01 AM   #6
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That looks like the JB4 connector. Show us a pic of the harness in the engine bay
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      02-20-2014, 10:28 AM   #7
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Originally Posted by marCOCOpuffs View Post
That looks like the JB4 connector. Show us a pic of the harness in the engine bay
i think he is asking about the jb4 connector itself not what harness his n55 is
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      02-21-2014, 01:48 AM   #8
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Can anyone see if this is a harness A or B? Thanks
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