Thread: Bm3 or jb4?
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      05-15-2019, 10:48 AM   #15
sandrik93
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Drives: '23 M240i RWD
Join Date: Jan 2017
Location: San Antonio, TX

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Quote:
Originally Posted by mike@x-ph.com View Post
We offer both, Jb4 is the more popular option since it offers more for less.

You can always remove it before your dealership visit, its a 100% safe tune
How warranty friendly in the bm3? (If you know)
I know you can reflash the stock map but is there any trace left of unlocked DME or something else?
If taken in for maintenance, would you have to reflash it every time?
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