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Message: <blockquote data-quote="Maniac" data-source="post: 603450" data-attributes="member: 20491">i checked with the dyno guys, and you're right, they stuck to 4th gear for the many runs we did!  aya, wrong info earlier.interesting therefore to see that the 320d chart is much squigglier than the 520d's.  the only difference is the transmission train, so there must be something about the characteristics of the 8 cog vs the 6 cog ZF's.hmm, i think that many would agree the more variables you can adjust, the better the tuning.  hence, being able to also tweak the boost is an added advantage, which should be able to result in a much better map.  don't think that dyno errors are the cause.  they did multiple runs of each map and stacked them on top of each other to check for consistency.  i have a theory - the 1500-2500rpm band is probably where we spend most of our time, and it's the most critical band for rampup of the power/torque delivery.  hence the maps are probably intentional, either tuned for smoother delivery or higher efficiency (could be either power or fuel management).  those of us who've already DTUK-ed our rides have had many conversations of which map and boost setting we individually like best, as our driving styles differ.  it does make for a good conversation topic, hehe, and when we get bored with one particular setting, there's always another one to try out.hey, we'd love to see dynos of all the vector settings on the 320d for comparisons against DTUK and the Powerkit.  at the end of the day, the proof of the pie is in the eating, and i can say that i'm an extremely satisfied user of DTUK on my 320d.  :4:</blockquote>

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