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10-19-2014, 03:18 AM | #1 |
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Jb4 gives less power.... 2013 135i n55
I had jb4 installed by an authorised seller and first day felt strong.. Car pulled great next few days it's gone.. Feels like boost or something is holing it back.. Did a qtr mile run on an app called pocket dyno which also confirmed its slowwww!! (( 14.2
I have ISO update.. Not happy... Please confirm on position of box!! Tucked behind air box... Not stealth at all Pic attached |
10-19-2014, 04:21 AM | #2 | |
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aside from position, that doesn't mean its not working. need some logs to see whats happening. do you have the USB cable? also, what map are you on? |
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10-19-2014, 04:40 AM | #3 | ||
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10-19-2014, 08:34 AM | #5 |
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Drives: F22 M240i
Join Date: May 2013
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Should have bought the extended RHD harness as the product website clearly states. This would have allowed you to place the JB where it's supposed to be and probably avoided whatever issue you're experiencing, which is likely a result of a botched harness extension or heat.
Last edited by Acheron83; 10-20-2014 at 08:00 AM.. |
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10-20-2014, 12:28 PM | #8 |
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Doesn't sound like they are a "authorized" dealer to do this but some shop trying to take in business where and how they can.
I hate seeing a business doing this kind of stuff. Who did you buy the JB4 from? |
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10-20-2014, 03:22 PM | #9 |
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thats not where it should be located.
but before we conclude that the JB4 has been damaged, i would contact Burger Tuning and see how they can help.
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10-20-2014, 03:57 PM | #10 |
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Well in the next 2 days I'm heading back to the place I have purchased and installed from!! I've sent them numerous messages and have spoken to them. Before I lose my marbles I like to give people a chance, I rekon they will !!
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10-22-2014, 07:58 AM | #12 |
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A friend mechanic come for a drive with me and the wooshing noise is dumping boost... Checked the just installed er charge pipe and the hose at intercooler end doesn't seem to be sitting in properly... That now makes sence!!
Codes I'm getting 2c90 2774 387f 29d0 29d2 Hope when the charge pipe is properly connected and codes reset they don't come back and JB4 installed correctly Sorry about background radio music How I read codes |
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10-28-2014, 05:47 AM | #14 | |
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10-28-2014, 08:20 AM | #15 |
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You can limit boost in 1st or 2nd gear with the JB4 if you'd like. I'm toying with the idea since its not like you can just "learn to control it" without an LSD.
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