Thread: Fuel economy
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Old 01-01-2013, 12:00 PM   #37
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Join Date: Jan 2012
Location: Atlanta
Posts: 15
My Ride: 323i
For my calculations from the last couple of tanks I reset the odometer after filling up and when I refilled I divided the miles travelled by the amount of petrol I put in. I guess I could check for air leaks, I don't know how to check for o2 sensors, but they were changes within the last 20k. Again no codes or shadow codes on the pasoft. It just seems like the car is a little sluggish compared to my turbo audi which gets about 22-23 mpg. Perhaps thats because there are less hp in the e46, but averaging 250 mile range per tank or 15-16 mpg seems a bit low.
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