01-11-2012, 03:50 PM | #1 |
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Problem with the jb4 and my 1m
So recently i just installed my jb4 back into my 1m bc my car is full bolt ons now. I have the ess stage 1 tune and it has worked great but i bought it bc my jb4 is spiking boost and dropping really low in map 2. Idk whats wrong with my car or the jb4 but i just took it out i updated to the new firmware but i dont understand whats wrong
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01-11-2012, 03:56 PM | #2 |
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Drives: 1/18 Monte Carlo Blue E92 M3
Join Date: Apr 2011
Location: Los Angeles
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Did you delete your ESS tune before using the JB4?
Also email Terry he should tell you what map you need to be on for your 1M. |
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01-11-2012, 04:16 PM | #3 |
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Yes i changed the ess tune back to stock then installed the jb4. I literally just had the same jb4 installed on my friends 335xi and it worked perfect. For some reason it just wont work right on my car and thats why i purchased the ess tune.
Im full bolt ons now and the ess tune is good but i feel like theres a lot more power that isnt being taken advantage of and thats the reason why i installed the jb4 again |
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01-11-2012, 04:44 PM | #5 | |
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Quote:
Would be curious as to how old the SW is on your buddies 335xi. ie when was his SW last updated ? BMW latest SW comes with anti-tuner code in the SW. |
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