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Old 01-27-2013, 09:58 PM
JasonSC540ia JasonSC540ia is offline
Officially Welcomed to the 'Fest
Location: Alamogetto NM
 
Join Date: Aug 2009
Posts: 672
Mein Auto: 1999 740i
Not sure what the I-6 comppresion ratio is but im assumming its around the same as the V-8's. With a 10:1 compression ratio you need to run Super unleaded, or add an octane booster/anti knock additive.
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