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Hi All, I ran my car on a dyno yesterday and was presented with some pretty interesting results. I am pretty annoyed, but also curious as to what I can do about it (if anything). I have an Audi A3 (2010) 2.0 TDI - 170bhp, which I had remapped around 2 years ago with Viezu tuning. I also have a few other mods (Miltek, BMC filter etc) but they do very little in terms of performance gains. So long story short, I took my car for a service around 2 months ago to my local audi dealer and when i got the car back it felt pretty slow again, not awful, but not great. Took my car to the Dyno and low and behold, i am back to 170 (Stock) with a pretty awful looking Dyno run (Not very smooth at all). Now i am no expert so i wanted to make sure the Dyno results were correct and I also need to understand what I can do in regards to Audi giving me some money for writing over my map. Please note, everything i take it in, i tell them not to do a software update, so they have either done it without telling me or even worse they have applied the emissions fix to my car which I have opted out of on a number of occassions. Can someone confirm, would a software update overwrite the map? And what is the best way forward? The company i took my car to were pretty decent they offered me a new map and dyno for £350, apparently they write there own maps from scratch and also sell maps to other providers. I was quoted around 210-215bhp other maps are quoting me around 225. Thanks P.s Dyno results attached.
