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      11-03-2010, 05:05 PM   #18
Penn999
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Drives: 335i coupe
Join Date: May 2010
Location: VA

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Quote:
Originally Posted by jagdeepj123 View Post
I wouldn't worry about it - my car idles rough (noticeably shudders every few secs) when cold, but sorts itself out when warm (as oil temp pases 1/4 mark).

Remap has made cold startup slightly rougher, but Ii don't mind because once it's warm it flys!

One tip my mechanic gave me - every month, take a cruise in low gear with revs between 4-5k rpm to get the cylinder temp up (engine can take it). You'll notice oil temp pass 1/2 mark, then I usually back off. Aim is to burn off carbon deposits in the cyclinder so allow your engine to run more smoothly. See if that makes a difference...
I will be interested to try this out...
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