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Answers

Why is my BMW 5 Series experiencing a rough idle?

I have noticed that my BMW 5 Series has been idling rough lately. It shakes and vibrates when stopped at a traffic light. What could be causing this issue and what steps can I take to fix it?

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Answers (2)

J

One possible reason for your rough idle could be a dirty air filter. I would recommend checking and replacing the air filter if it is dirty or clogged. Also, make sure to use high-quality fuel to avoid any potential fuel system issues.

M

Another potential cause of rough idle could be a malfunctioning oxygen sensor. This can affect the air/fuel mixture and cause the engine to idle rough. I suggest getting the sensor checked and replaced if necessary.

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