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okay, so i ordered the jb4 unit a few days ago and am just reading this now. i'm awaiting its arrival but all of the posts on here seem super down on the product.
i really don't want to mess with mapping the car too much if at all. i just sort of want something that i can stick onto the car and let it do its thing in whatever configuration it comes in right out of the box and hope for just a bit of improved performance over stock. as i have the m35i and so does OP, i'm concerned that it's going to trigger the failsafe in even the right-out-of-the-box form and that i'll be so disappointed that i'll have to return the item.
has this been the case with those of you who have the m35i and the jb4 unit? or is it not unit you start playing around with the different enhanced mappings that, while they may be fun, may actually not be fun in real life due to the safety systems built into the vehicle kicking in? did i just waste like 650$?
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Alpine White BMW X2 M35i
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