4.6/4.8s run smooth at normal idle RPMs. There is no cam lope at all or vibration that goes away when engine is at higher RPMs. How they sound depends on what exhaust they have. If your engine sounds different and runs worse than before you started your work stay will checking the work that you did. The premise when DIYing is there are no coincidences. If you did some work and you now have a different problem or made the problem worse--check your work. Any conclusion from the videos would only be a guess.
Have you checked for codes? Do you have a scanner that can show you real time engine info?
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X5 4.6 2002 Black Sap, Black interior. 2013 X5M Melbourne Red, Bamboo interior
Dallas
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