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Old 08-25-2008, 09:34 PM
harmonkardon123 harmonkardon123 is offline
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Location: Canada
Join Date: Aug 2008
Posts: 1
Mein Auto: 2005 545i
check engine light- increased emissions

I have a check engine light on my 05 545i that reads on the increased emissions, this went on last week when I put cheap gas and then went off when i put in gas with an octane of 91, but it has come on again. Any help with this would be appreciated.
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