what causes my 08 BMW to smoke on startup?
265

Asked by hagood Oct 12, 2020 at 05:56 PM

Question type: Maintenance & Repair

A large puff of blue smoke comes out of the exhaust on startup at any temp

3 Answers
157,445

Bob answered 3 years ago

Yup seals or worn valve guides.

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40,150

TDolby answered 3 years ago

Also check the crankcase vent valve or CCV and associated hoses for blockages.

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