Thread: fuel
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Old 08-11-2012, 11:42 AM   #3
jmill90

Name: jmill90
Title: United Newb
Status: Offline
Join Date: Aug 2012
Location: US
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Your Ride: 91 525i
about fuel choseing fuel

I have a 91 525I and I put 93 in it. I found that if I put a lower grade in it I lost fuel economy.but since the 93 has more carbon when burnt I use lucas fuel injector cleaner its about $10 a bottle but u put it in every time u fill up and it keeps everything clean.
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