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      12-23-2013, 11:18 PM   #18
BMWrules7
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Drives: 2015, 740 LdX, Alpine White
Join Date: Mar 2011
Location: Boston Area

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Quote:
Originally Posted by dbs600
Ive been getting very poor fuel economy for the past three months.

Id previously get an average of 10 mpgs, but same dropped to 8.

Service engine light came on about a month ago and the dealer replaced an oxygen sensor.

I also complained of poor fuel economy, but the repair order came back stating no problem found and that there are additional fuel additives during winter months!? Strange, as I've never had this problem before.

Still getting 8 mpgs and exceptionally pissed with BMW's constant denial of problems when I have any; doesnt matter which dealer I use.

What should I do? Below 10 mpgs is just not right, and upsetting.

Thanks.
Okay, I completed the test. I am getting really crappy highway gas mileage: 14 miles per gallon.
Appreciate 0