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Originally Posted by Real Deal
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Originally Posted by Sapper_M3
The only major problem here is the limp modes activated by hidden code in these new DMEs (check out the M5 board here), making even the piggyback somewhat ineffective.
As others have mentioned though, the M3/M4 has a much larger tuner base (due to the much larger crowd looking to tune), and I'm cautiously optimistic the tuners will figure this out as well.
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Damn, BMW is making these full proof I guess. Limp modes are no fun, I went through it a few times at first when I messed up the insall  |
Yeah, it's certainly annoying.
I will caveat this though by saying that I'm certainly no expert. My information on these "hidden" lines of code intended to cause limp modes by BMW is based purely on discussion on these boards. So definitely take anything technical I've said with a grain of salt. With that said, it is true that piggyback tuned M5s and M6s are seeing consistent limp mode activation when doing drag race/roll race events. So BMW has definitely continued to up their game when it comes to protecting their software.
I'm betting the new M3/M4 will be plenty of fun out of the box though (especially if they end up being significantly underrated), and the money draw of M3/M4 tuning will hopefully get us a crack in a reasonable amount of time.