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superunleaded

  1. SuperUnleaded in a Multiair

    Alfa MiTo
    I filled up with 40L of BP SuperUnleaded today and was surprised as it seemed to transform the car. I put it down to being a cool morning compared to the last few days and the density of the air being greater. I was out again in the day with the air temperature at 22 instead of 11 but the engine...
  2. superunleaded for 2.0TS?

    Alfa 164 & 166
    wow fuel is expensive so why am I even asking this question.....I have always found that it actually works out break-even. in other words, you get a few more mpg out of super (or 4* as it was!) which cancels out the fact that it is more expensive. So if the car prefers it (smoother, more...
  3. Normal or super-unleaded for the 2.2?

    Alfa 159, Brera & 946 Spider
    Hi all. Gone and done it - trading in the Brera at the weekend in the quest for more space. Given up trying to find a suitable 3.2 and have plumped for a nearly new 2.2TI. Having taken a year to find a flavour of diesel that didn't make my Brera cough and splutter (BP Ultimate was the key) I'm...
  4. Normal Unleaded or Superunleaded for 3.0 166 super which is best?

    Alfa 164 & 166
    I have a 3.0 166 Super I have never tried super unleaded petrol in it . Is it worth trying....? has anyone found a difference? Cheers
  5. Superunleaded fuel.

    Alfa 145 & 146
    Hello all, Does anybody know if its ok to run my 155 2.0 TS 16v on superunleaded fuel? Its on 98000miles now, just wanna know if it affects the mpg + or -? and that the engine wont implode or anything cause of the extra octane, and if theres any performance gains :-)
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