I recently bought a used BMW and I've noticed that the engine makes a rattling noise when I start the car. It goes away after a few minutes of driving, but I'm worried that it could be a sign of a bigger issue. Should I be concerned?
ReplyYes, you should definitely be concerned. A rattling noise in a BMW engine could indicate a problem with the timing chain or the VANOS system. It's important to have a mechanic take a look at it as soon as possible to prevent any further damage.
It's probably just a loose heat shield or heat protection plate. This is a common issue with BMW engines and can easily be fixed by tightening or replacing the affected part. However, if the rattling noise persists, it's best to bring it to a mechanic for a professional diagnosis.
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