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Old 01-29-2013, 10:04 PM
rufus2004 rufus2004 is offline
Registered User
Location: Henderson,Nevada
 
Join Date: Oct 2012
Posts: 41
Mein Auto: 2000 740IL
740il Service Engine Soon Light

Hello Everyone
This is not regarding a problem, but it might save somebody some needless expense and aggrivation as well. I recently purchased a 2000 740il and more recently a 97 328ic. In both instances, the cars had not been driven for awhile. On both cars the SES light showed after a few miles. With the 740, I immediately replaced the O2 sensor and gas cap per a diagnostic readout. On the 328, the seller, a Russian who know these cars told me to ignore the light and run out the old gas. Guess what, fresh gas, no light! Who knows if the 740 needed those repairs. Hope this helps someone. Fortunately, not an expensive lesson. I will say that sometimes the light comes on on the 740 for about 5 days and then mysteriously goes away for a month or so and then comes back on. Can't figure it out, part of the car's personality I guess.
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