Guys, just bought a 2010 with high miles. Im noticing some odd engine noise when I drive it MELLOW. (Maybe thats the problem hehe).

Just when you go off idle you here low level ticky/belt type noise. Let off, go to idle, gone. Hit it a bit harder, kinda goes away the more you get on it.

I know these engines are a bit ticky anyway, all newer BMW's seem to be. So am I over reacting?

Or is this odd...Belt tensioner? Previous owner did at 30K mi.

I see others have already posted, but if you recognized above symptoms, post a link.

Sorry to repeat.

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'06 X5 3.0l