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      03-22-2024, 10:12 PM   #142
kosmokratur
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Drives: 2018 M550, '00 750, '97 540,..
Join Date: Aug 2019
Location: Finger Lakes, NY

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Quote:
Originally Posted by Joe-BMW33 View Post
I think both Carbahn and Dinan tune warranties are gray on CPO. I just entered CPO the first of the year. I'm honestly not sure the Dinan warranty I have applies.

That said I'm not worried. Both tunes are on the lighter side compared to BM3 or custom ECU tunes that there is almost zero chance either of these are going to cause a failure. I also don't beat the shit out of the car or track it. I've never launched. I just like the added juice. It's noticeable, but nothing like changing maps and hunting down high octane gas.

If I could do it all over again, I would have put less emphasis on warranty and got the X product for $1,500 less than the V2 as the numbers are the same. That said, Dinan didn't offer the V2 in May when I did it. So I have a $1500 warranty, like paying double for Carbahn.

EDIT: I should add that I have been to the dealer several times and they had no issue or comments on the tune.
I've heard it said before that BM3 is, perhaps, too aggressive. When people say that, are they referring to the stage 1 tunes, or to the more extreme ones? I've also heard it said that any problem with BM3 is too much torque in a "hole shot" (launch) setting, as opposed to, e.g., passing on a 2-lane road. Does anyone have opinions on these items? Sorry if I am hijacking to some extent, but it seems like a natural tangent
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