My BMW engine seems to be experiencing a decrease in performance, especially when accelerating. What steps should I take to troubleshoot and fix this issue?
ReplyFirst, check the air filter and replace it if it's dirty. A clogged air filter can restrict airflow and affect engine performance. Next, inspect the spark plugs and wires. Worn or dirty spark plugs can cause misfires and decrease performance. Also, check for any signs of vacuum leaks, as this can also lead to a decrease in performance. If none of these steps fix the issue, it may be time to take it to a mechanic for a deeper diagnosis.
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