10-15-2012, 08:59 PM
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#12979
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100% star stuff
Join Date: Jan 2011
Location: San Diego
Posts: 2,436
My Ride: 2004 330i
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Quote:
Originally Posted by ///MPR77
Nice, O2's are on my list of preventative maintenance.
Feel any improvement?
Sent from my SAMSUNG-SGH-I727 using Bimmer App
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I can't decide if I can actually feel any improvement or if it's all psychological. I feel like my idle might be improved. I did not have a CEL for them, but old ones were very burnt and discolored after 130,000 miles.
I honestly felt more improvement after I cleaned my MAF. Even saw my OBC say 18.4 MPG instead of 18.3
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Bilstein/Eibach B12 Pro-Plus Suspension System | DICE Mediabridge | Valentine One
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