What is your question?
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What is your question?
Only when going up a hill at slower speeds, I may feel what seems like a miss sometimes. Otherwise, no real tell tale signs of this.
What makes this problem better or worse?
Only going up hills
How long has your 2009 Mini Cooper had this problem?
A month or so
1 Reply
Not sure of the term "oil water separator" on this vehicle; for a concern such as lack of power or misfire up hill, would recommend a test be performed to find out what is going on. You could consult local shops for a quote also -- https://repairpal.com/repair-shops/mini-repair-and-service-in-nashville-tennessee