P0369 IS A CAMSHAFT POSITION SENSOR. this came up on my 3.0i too when I first bought it and the engine was running rough ,so so I checked the oil and it was realy thick and black. someone before me realy neglected the oil on this beast. long story short replaced the oil with 5 w40 full synthetic and ever since then no more code and its been over a year. and yes it has had another oil change since then. I just thought I would throw that out there.

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2003 bmw x5 3.0i ,219000km build date 2003-08-18