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idle or poor

  1. BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Howdy guys, my first post, great forum btw. I have a '98 523i, have lumpy running at low rpm when warmed, for last 4/5 months, quite often stalls when pulling away, is also slower than my 523i tourer at low rpm, but fine at higher rpm, but does 40mpg on a run, 30ish driving door to door. I've...
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