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Old 03-06-2011, 09:19 PM   #3
blakneto
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Join Date: Jun 2009
Location: Hamilton/Brampton/Toronto
Posts: 321
You can use 87... but its not recommended for performance reasons.
Think, garbage in/garbage out.
The e46 is tuned to use premium gas for premium performance.
There is a fuel filter that would have to work harder (or wont be able to) to clean the impurities in the gas. It could damage your engine over a extended period of time.

But I am not a mechanic...

Call BMW Autohaus or Budds or whoever and talk to the service techs there.

They are pretty good with giving answers to BMW owners.
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