BMW 525i 2003; gives off white smoke only when it's been sitting awhile, and only when I first start it, idles rough but runs good on highway
Jan 9, 2011 at 2:07 PM
2003 BMW 525i
DARIUS739
- MEMBER
- 1 POST
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White smoke! Is the engine putting out white smoke when it is cold and been sitting awhile? The experience you are having is quite normal, although I think you might want to inspect and/or replace the spark plugs. At 100k they should have been replaced, along with the pre-cat oxygen sensors.
Jan 9, 2011 at 4:24 PM
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