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Rich b

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  1. Rich b

    B47 f10 2014 fuel economy

    Hi thanks for the info, there is no way I could achieve 740miles. I really do think there is either a calibration issue with early cars or the pcode is triggering some other form of fuelling.
  2. Rich b

    B47 f10 2014 fuel economy

    Just tried searching b47 then b47 mpg and both returned zero results...
  3. I recently bought a 2014 f10 with B47 Engine 84k miles. Generally pleased with car but noticed the fuel economy doesn’t seem as good as previous 5’s with the old n47 engine. After my last tank i got an average of 43mpg(calculated trip said 40mpg), this included 2x 200mile motorway trips and the rest was my 50mile round trip commute (2/3 motorway). I drive really conservatively and with previous e60 n47 would return 50mpg on my daily commute. i checked for p codes using Carly and it returned: p22ae/284e00 I booked it in at the dealer but they said there was no error??? Just wondering if anyone else has any experience of this issue, not much on the internet as this is a relatively new engine. i also checked the dpf and it’s fine, soot mass 18g and ash mass 34g. any advice greatly appreciated.