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      01-11-2012, 04:50 PM   #1
M///1rider
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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, 04:56 PM   #2
cooler2442
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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, 05:16 PM   #3
M///1rider
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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, 05:20 PM   #4
RnmEvo9
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Email Terry and he will help you out in no time.
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      01-11-2012, 05:44 PM   #5
Dackelone
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Quote:
Originally Posted by M///1rider View Post
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

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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