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Monthly Archives: September 2021

Why Is My BMW Idling Rough?

Why Is My BMW Idling Rough?

Whenever you sit with your car on, your engine should be smooth and calm for the most part. But a rough idle can be pretty startling with its unusual sounds. There are various factors that can come into play to explain why you may experience rough idling. Regardless of the cause, you'll want to address the problem and repair it ASAP to avoid further engine damage.   Common Causes of Rough Idling Old Spark Plugs Spark plugs are small metal pieces in charge of igniting the air and fuel mixture within your combustion chamber. Oil and carbon deposits can build upon and around your spark plugs over time. The debris can ultimately lower the power to start your car. To fix this problem, simply replace your spark plugs! Vacuum Leak There are numerous hoses placed around the engine, and they are there to form a vacuum seal controlled by the throttle to manage airflow and engine speed. However, the hot engine temperatures can sometimes wear out the hoses resulting in air leaks. If ... read more

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