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How to downgrade Jb4 to Jb3?
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12-06-2012, 12:41 PM
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RambleJ
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Drives: F10 535i M-sport
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Quote:
Originally Posted by
omer
The Jb is for f10? I just returned my 335i and I have the jb3 if you want we can trade?
The OP is confused. He is referring to the BMS N55 stage 1/Stage 2 tune.
JB3 is for the N54 and he has the N55.
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RambleJ
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