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2001 BMW 325Ci

Question: my rpm goes up and down

Question

haval213, Naugatuck, CT, September 21, 2010, 22:15
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 Rookie

its a standard car so it only happens in 3rd 4th and 5th gear. it kind of happens in 2nd too. help me please

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  • Answer #1

    mensa man September 27, 2010, 09:12
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     Technician

    clean or replace idle control valve, oil separator or cylclone valve....sometimes known as a pcv valve.

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