Thread: Need help understanding jb4 and how maps work for 2013 550i xdrive
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      03-25-2019, 05:31 AM   #9
Taye97
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Drives: 2013 BMW 550i xdrive
Join Date: Jan 2019
Location: Nevada

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Quote:
Originally Posted by badblack550xi View Post
stick to map 1 and 2 and you'll be fine.
Will I get the results I'm looking for I do plan on using the e30 mix
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