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BMW 3-Series (E90 E92) Forum
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Having problm with my jb4 on 3er gear
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| 07-21-2013, 05:44 PM | #1 |
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Private First Class
 
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Having problm with my jb4 on 3er gear
I have a automatic 335 e90 2008 and I bought from my friend 1 year ago his jb4 and everything was working perfect,I always drive on map 5 because I have intercooler ,full exhaust,intake,down pipes and blow off Valve .Yesterday I was runing in the car and when I press the 3 gear it lost power ,,and now everytime I run all the gears are perfect but when I put the 3 it lose power I can feel.I call a friend that he works on active autowerke and he told me to put the jb4 on map 0 to desactive it and then I race the car and in 3 gear I did not feel any problem ,so he told me that the problem was coming from the jb4.Please I need your help .
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| 07-21-2013, 05:46 PM | #2 |
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Major
 
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PUt it on map 5 floor it and when it looses power, see what the code says. Probably something simple
Can you take a log?
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