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Old 09-19-2012, 02:32 PM   #13
knightowl
2nd Gear Member
 
Join Date: Oct 2011
Location: milton
Posts: 134
sometimes shifting at 2k is too early, I wouldn't shift before 2500. optimal 2500-3000 if your slowly accelerating. when you shift at 2k, your RPMs drop to 1500-1700 and the car would be struggling to keep up and thereby probably needing more fuel to keep up.

I had huge issues with my o2 sensor, i was getting 20L/100 which was crazy... I changed it and back to 23 AVg with a 325i and occasional pulls
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