I'm potentially purchasing a 2011 550i Xdrive. It has 147k but had the engine replaced at a BMW dealership at 87K miles. I'm definitely not new to BMW's and aware of the slight ticking noise from the HPFP or the injectors. I haven't had an N63 yet and was wondering if this sounds normal or not? Some people have told me yes, and others say no. If I replaced the HPFP would that make it less loud? It almost sounds like a newer CDI at idle. If you rev it, she sounds fine.
https://youtu.be/qiGxGbm3ZMs
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