Hi all, I have 2005 X5 4.8is with 141k miles that has been meticulously maintained. I purchased the truck about a year ago and it has been great since. I noticed shortly after I bought it that I have the notorious diesel like noise. You only hear the noise when the car is in gear under light load, and at operating temperature, when the car is cold or in P or N it's quiet as can be. I believe the noise is related to valvetronic system, I have reset the valvetronic limit position adaptations and it did not make a difference. But I did unplug the eccentric shaft position sensors and drove the car for a few miles and the noise was completely gone. I cant seem to find any posts that pinpoint exactly what the issue is and how to fix it or if the issue is something that is catastrophic to the engine or if it's just an annoying noise that I can just live with. Any help with this would be appreciated. Been chasing this issue for a few months and just want to see what I'm up against here.
Please see the YouTube link for a sound clip of the noise:
https://youtube.com/shorts/yrTqPV0lsLg?feature=share
07-24-2024, 12:20 PM
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