Quote:
Originally Posted by MissionPerformance
The M340i was extremely over-rated when it rolled off the production plan, with nearly 400whp in stock form! Yes you read it right, if you purchased one of the first vehicles in production, then you have near 400whp STOCK car. That is due to the fact that BMW forgot to implement SWT (Tuning Authorization Certificate), and thus customers received a factory tuned cars. But quick, BMW caught onto this issue, and implemented a software "fix" that limited your power a bit. This new fix limited your power to 346whp (390bhp) and yet that still was over what EPA/BMW specs should be, so early July of 2019, BMW implemented yet another software fix to bring the car down to advertised 338whp(382bhp).
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I just got my car off the lot on Saturday (it was only there for a week total), and it is without a doubt MUCH faster than my straight piped JB4 Map2 335i. Let's not forget the fact that F30 340i's were dynoing at 330 or so horsepower, and I've seen plenty of people saying how big of a jump there is between the 340 and M340i.