I have a BMW 6 Series and I've noticed lately that it has been idling rough. The RPMs are fluctuating and the engine sounds like it's struggling. What could be causing this issue and how can I fix it?
ReplyOne possible cause of a rough idle in a BMW 6 Series could be a dirty or malfunctioning airflow sensor. Try cleaning the sensor with a specialized cleaner and see if that improves the idle.
Another potential issue could be a vacuum leak in the intake system. Check for any cracks or holes in the tubing and have them repaired if necessary.
It's also worth checking the spark plugs and ignition coils. Worn out or faulty plugs and coils can cause a rough idle. Consider replacing them if they are old or damaged.
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