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Old 02-03-2017, 03:50 PM   #1
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My Ride: BMW 325i 2001
*rough idle and misfires* help

my 2001 325i idles very rough, flutters between 500-1000 rpm and occasionally drops low and car dies... engine light is on and cylinders 4,5 and 6 are misfiring (P0304 P0305 P0306) and camshaft exhaust sensor code.. what could be the problem / fixes to this??

Last edited by sahilgill; 02-03-2017 at 07:35 PM.
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Old 02-04-2017, 08:46 AM   #2
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Erratic idling is almost always caused by vacuum leakS. A visual inspection isn't enough, though you may find something obvious such as a torn intake hose. Have the intake smoke tested. Check the camshaft position sensor as it may be soaked with oil due to a bad seal.
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camshaft sensor, cylinders, misfire, rough idle

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