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Discussion Starter #1
528ia with 120k miles has been making these noises in the engine compartment lately.

There're two distinct noises whether car is hot or cold, a/c off or on and car sitting at neutral:

1) The "whistle" mingled with "prrrrrrrr" at idle;

2) The whine when the engine is revved.

Here are the noises heard from outside and inside cabin:

Outside car:

Inside cabin:

Anyone's 528ia making these noises?

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