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  1. M

    Lag - Delay - Hesitation

    Having owned a number of auto Audi's over the years, most recently an A6 Bi-Tdi and now a B9 S4 Avant, my theory on this lag effect is that it is the way Audi map the torque converter in the ZF gearboxes. They are very slushy in 1st and 2nd gears where essentially the revs rise for a second...
  2. M

    S4 Avant - engine and Audi Connect

    Fair enough, I'm willing to accept it's 'normal' for an S4 but I do wonder how Audi managed to balance my previous V6 bi-turbo A6 diesel with a much higher compression ratio in that case. Only design difference I can think of is a heavier block and turbo on the outside instead of inside the V...
  3. M

    S4 Avant - engine and Audi Connect

    Interesting to hear the vibration issue seemingly affects all our cars. Is there anyone who doesn't have it? I've always thought I'm quite unsensitive to mechanical 'quirks', but this one seems to be irritating me! I mean surely petrol engines are completely vibration free these days at idle...
  4. M

    S4 Avant - engine and Audi Connect

    Hi guys Just picked up a Navarra S4 Avant and absolutely loving it. The exhaust noise in particular is an absolute delight and actually really unexpected - I thought it would be much more subtle. Two questions to you experienced Audi bods: - I have noticed a slight vibration at idle. So after...