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Old 01-29-2021, 01:36 PM
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andrewwynn andrewwynn is offline
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Join Date: Jun 2015
Location: Racine, WI
Posts: 10,818
andrewwynn will become famous soon enough
I use Lucas. I forgot about D.I. that model. I mostly only work on e53 models. What I can say is that I chased similar studders and random individual cylinder misfires chasing like whack a mole on wife's car (replaced two coils and all plugs) before realizing could be dirty injectors.

I put in two bottles half a tank at a time (unsure why I didn't do two at once in a full tank). The problem went away and hasn't come back. I try to run injector cleaner at least yearly.

Quality gas has plenty of detergent shouldn't need it but evidence to the contrary it does.
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2011 E70 • N55 (me)
2012 E70 • N63 (wife)
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