I recently purchased a BMW 5 Series and have noticed that the engine makes a knocking noise when idling. I'm concerned that this could be a sign of a larger issue. Can anyone provide insight on why this could be happening? Should I take it to a mechanic?
ReplyHi John, it's common for BMW 5 Series engines to make a knocking noise when idling. This is usually due to the fuel injectors and is just a natural sound of the engine. However, if the noise is excessive or changes in pitch, it may be worth getting it checked out by a mechanic just to be safe.
John, I've had a similar experience with my BMW 5 Series. While it may be a harmless noise, it's always better to be safe than sorry. I would definitely recommend taking it to a mechanic for a thorough inspection to make sure everything is working properly.
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