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Old 02-07-2013, 07:59 PM   #19
Registered User
Join Date: Jan 2012
Location: Harrisburg, PA
Posts: 391
My Ride: 2005 330XI
Originally Posted by simonbodner View Post
I just wanted to post an update ....

I replaced the 2 pre cat O2s and what a difference!! No codes, but low RPM throttle response is much better!!!!! I also had a slow coolant leak from a heater core hose. I changed both, now all hoses and coolant system is new (rest is 6 months old).
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