My BWM's engine has been making a knocking noise and I'm not sure what's causing it. I've tried changing the oil, but it doesn't seem to have helped. What else can I do?
ReplyFirst, check the spark plugs and wires. They could be worn out and causing the knocking. If that doesn't solve the issue, it could be a problem with the fuel injectors. You may need to have them cleaned or replaced. It's also a good idea to get your engine checked by a mechanic to rule out any other potential causes.
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