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I was having the same dilema as Makkan. DTUK/RaceChip/live remap. At end of the day, it was cost that was the biggest factor. Not much increase in performace for twice the price. At the moment I'm happy with the performace on its current settings, but I requested what settings for max performance, which they emailed me, I'll give that a go in a few weeks after I see what the current sets mpg is like.
Reading through there website, i think the box increases common rail pressure not increases fuelling. Increase the pressure that the fuel is injected in to the pistons and it will give you a leaner burn, this is what increases bhp or reduces mpg
tuning boxes have come a long since the resistor style boxes that i had on my old golf 2.0 tdi. They use digital processors to alter the signal from the ecu
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2010 E92 Msport lci
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