2001 BMW X5 Q&A

2001 BMW X5 Question: Oil smoke coming from exhaust. Where do I Start looking for problems.

Drving down road. puff of black smoke came out exhaust. Got home and strong smell of oil from exhaust. Engine now hard to start. What could it be and where should I start looking. Thanks -
Answer 1
black smoke is normally fuel related.i would save time and $ and see your mech -