Thread: Jb4 worth it.
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      09-16-2020, 05:15 PM   #6
carguy19
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Drives: 2021 M340
Join Date: Mar 2008
Location: NJ

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Quote:
Originally Posted by mike@x-ph.com View Post
it's a big difference between stock and stage 2. We offer the Jb4 with a 14-day money-back guarantee. Give it a try and let us know how it goes
Hey Mike, are there flash tunes available for the 2021 model 340xi yet? I know the DME has to be sent in for the 2020 so I am guessing its the same for the 2021 if its available. Do you know if they are tune-able yet?
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