Quote:
Originally Posted by marv85
Most of the time these corrections can be corrected. it's not only about fuel but also your hardware. Spark plugs, coils, etc...
My previous '07 E90 @ 89k was running 21psi and 16.5 degrees of timing with no drops...
and yes, I've seen huge difference from station to station.
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How long should I wait after adding to start logging? Would it just instantly change it with just 3 gallons?