How slow are you going when it stumbles?

My very first repair on e53 was from a bad CPS. Symptom: stumble when turning into a parking space.

That said i don't think that would affect fuel mix.

Do you have a scanner that can watch/graph realtime?

O₂ sensor graph will be pretty helpful.


–awr–

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2011 E70 • N55 (me)
2012 E70 • N63 (wife)