I've noticed that my BMW 435i Gran Coupe has a rough idle when I start it up in the morning. It feels like the engine is struggling and the car vibrates a lot. What could be causing this and how can I fix it?
ReplyA rough idle can be caused by a number of things, such as a dirty air filter, a faulty spark plug, or a vacuum leak. I suggest checking and replacing these components if necessary.
It's also possible that the idle control valve or the throttle body is dirty and needs to be cleaned. This is a common issue with BMWs and can be easily fixed with some basic maintenance.
Another potential culprit could be a clogged fuel filter. I recommend having it checked and replaced if needed, as a dirty fuel filter can cause rough idling and even engine stalling.
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