E46Fanatics - View Single Post - Rough idle cold start CEL on 325XI
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Old 12-19-2012, 07:15 PM   #12
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Join Date: Apr 2008
Location: Boston
Posts: 4,971
My Ride: 2003 325xi
Definitely check intake boots for rips. I would order six new Bosch coils from rockauto.com if you go that route. Are you scanning with a Peake tool? If so, there's a specific code for a bad coil, which is different from a misfire code.

What kind of plugs are in there? Make sure they are all the same.

Originally Posted by pinoyboy204 View Post
I've done a bit of research but could it be the actual lifter?? I do get some tick during start up for a couple seconds and disappears
You need more oil. Fill it so it reaches the top mark on the dipstick when the motor is cold. Then add another 1/2 quart. Oil level below the top mark on an xi is too low, IMO.
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