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What causes the engine to shake in a BMW 3 Series?

I recently purchased a used BMW 3 Series and I've noticed that the engine shakes when I accelerate. What could be causing this issue and how can I fix it?

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Answers (3)

A

The most common cause of engine shaking in a BMW 3 Series is due to a misfiring cylinder. This can be caused by faulty spark plugs or ignition coils. I would recommend having a mechanic check and replace these components if necessary.

B

Another possible cause of engine shaking could be a vacuum leak. This can result in a rough idle and shaking when accelerating. You can try using a vacuum leak detector to locate and fix any leaks.

S

In some cases, engine shaking in a BMW 3 Series can be caused by a problem with the fuel injection system. It's important to have this checked and repaired by a professional as it can be a complex issue.

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