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Old 10-08-2012, 11:09 AM
madurodave's Avatar
madurodave madurodave is offline
BMW Enthusiast!
Location: NH
Join Date: Oct 2008
Posts: 5,669
Mein Auto: 2007 Z4+X3, 2006 530Xi
Originally Posted by phlfly View Post
Try to use better gas, NOT from Costco. Better brands like Exxon, Shell has less ethanol in the gas. Any time I fueled mine with Costco gas I would get a check engine light that is meaning super small vapor leak, well I test a lot times and I guess it's too much ethanol there.
I've been using Sam's Club gas here in NH. Excellent so far!

27-30 mpg on 2006 530xi.

Mid 400's per tank.

My garage: 2013 BMW 550xi GT, 2007 BMW Z4 3.0si Manual, 2006 BMW 530xi

Retired: 2007 BMW X3, 1998 BMW Z3

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Last edited by madurodave; 10-09-2012 at 04:40 AM.
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