Thread: Significant Gas Mileage Increase after an annual service
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      07-02-2018, 12:25 AM   #12
Tjalle
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Drives: X4 35i
Join Date: Mar 2014
Location: Sweden

iTrader: (0)
I believe you had a - slight - malfunction/problem, which - due to mechanic driving differently - was rectified. I take it you drive "slow" and consistent.

Exampel of possible problems:
-brakepad not fully released
-"dirt" at sparkplug
Appreciate 0
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