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      12-04-2012, 12:46 PM   #1
obiltagi3
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Drives: F10 535i 2011, F10 550i 2015
Join Date: Dec 2012
Location: Orange County

iTrader: (1)

Garage List
2015 BMW 550i  [9.00]
How to downgrade Jb4 to Jb3?

So unfortunately i am unable to use the Stage 2 Jb4 and am forced to downgrade to Stage 1. How can i do this? I purchased it from my brother so its not like i can return it for the downgrade. Is there a way to downgrade it?

If not, is someone looking to upgrade their jb3 to jb4

Orange County area

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