Quote:
Originally Posted by blueagle
Black smoke when pedal floored is normal for X5 diesel engines. It is good practice to give it a little punch once a week to keep the engine tuned and remove the carbon deposits...
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yup punch it once in a while. that happened to me when my X haven't been used for about 2 months. lots of black smoke coming out even when idling. then after punching it a couple of times everyday, the smoke disappeared.
