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#11
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2006 X5 4.4i Sport (N62) |
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#12
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Three years on, it has been ok, HOWEVER, recently noticed a similar knocking sound when pressing the accelerator sharply. So when I step on it, 2-3 knocks and then the RPM's jump.. I guess I'll have to visit them again.. |
#13
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2006 X5 4.4i Sport (N62) |
#14
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Hey Yetti, sorry for the late reply (I don't check often), but I don't really know to be honest. They only charge a couple of hours labour if I recall correctly. I can try to find out. A good independent BMW garage should know it, and it doesn't take long at all like I said. Do you plan to do it yourself though?
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#15
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That would be great if you can find out any more information! The only adjustments that I have seen you can do to the valvetronic system is to reset the adaptations/position values with a bmw scanner or ISTA. So I am wondering if that’s what they did to your car or if there is another adjustment that can be made to it that I am not aware of.
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2006 X5 4.4i Sport (N62) |
#16
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When your eccentric valve shaft is worn, you can perform ISTA/D eccentric intermediate lever wear test to determine. the solution is your replace all parts. BTW @OP , your original video has been nuked. You can also subscribe to thread notifications which email you if new posts.
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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project. |
#17
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#18
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Ah, I remember that function. One can adjust the minimum position of the eccentric cam - to make the idle sound a little more aggressive, but there's no actual performance benefit. I believe that only comes into place once the engine oil is warmed up ?
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2003 4.6, esotril blue, over 215,000KM. Every previous owner failed to keep up the vehicle maintenance. Restoration project. |
#19
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What did you guys adjust the valve lift to?
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2006 X5 4.4i Sport (N62) |
#20
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And is the diesel like noise coming from the eccentric shaft harmful to the engine or just an annoying noise?
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2006 X5 4.4i Sport (N62) |
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engine knock, n62, rattle |
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