BMW driver question
Is it normal that smoke is coming out of the air purge line in large quantities? My car has almost 300,000 km on the odometer, it doesn’t take oil, the turbo seems to be passing a little. I use Castrol 5W30 oil. Below is a video of the symptoms that concern me.
The problem was on a 2007 BMW E91 318d with the M47 engine, but it can happen on other models as well.
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