Hi guys! I just want to share my experience about remapping and ask you some advice. I have an A4 B7, 1.9 Tdi and I recently installed one of the remapping boxes that give you 30hp more (From 115hp to 144ho). The plus side of the remapping is that it gives me more mpg (60-63mpg on motorway compared to 50-53 before). The lag of the pedal gone and it's really responsive now, a great drive. But.... Started having problems shortly afterwards. I never had engine or drive problems before (had the car for 3 years and done 35k (it has 163k on the clock). 1.) First one was more noise from the engine. After inspecting I realised that the engine cover looked to be loose (two of the rubber things between the cover and the engine were consumed and the plastic vibration Was the problem. I wasn't able to find those online so don't know if it's possible change them. 2 .) Noise while turning wheel to both sides: after some research, it looked to be a cv boot. Inspected both and looked to be perfectly clean and tidy. Anyways took both half shafts off and after inspection turned out that both inner cv were gone. Replaced both, installed and the noise While turning disappeared. I suppose that given the higher torque after remapping the inner cv's just got worn faster. 3.) Now after driving about half a tank it feels like on acceleration there is a micro vibration on the gas pedal. I've noticed that between 1.5 and 2.5 thousands rpm I can feel the vibration. Then it disappears after 3000rpm and doesn't get back when decelerating. After some research it looks like the flywheel. This could be an expensive one if it turns out that it's the flywheel.. Could someone advise me on the last one? I want to anticipate that when changing the half shaft inner cv, upper or lower arms were not removed so it can't be an alignment or balancing problem ( I used all torque specification from Audi when reinstalling. Nothing else comes into my mind beside the flywheel. The vibration is not major, but really only I can feel it as I know that it wasn't there before. Thanks.