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318compact · 03-05-2010, 09:01 AM

My '95 vintage M42 has 89 octane recommended in the owner's manual and on the fuel filler door, actually it says "minimum 89".
I usually put 91 in the summer because there is slight knocking on acceleration with 89 when its hot out.

03-05-2010, 09:01 AM	#2
318compact 1st Gear Newbie Join Date: Nov 2009 Location: Toronto Posts: 23 Car: '95 318ti	My '95 vintage M42 has 89 octane recommended in the owner's manual and on the fuel filler door, actually it says "minimum 89". I usually put 91 in the summer because there is slight knocking on acceleration with 89 when its hot out.