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Old 10-16-2019, 08:00 PM
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Join Date: Feb 2012
Location: Littleton, CO
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Tonyfeb14 is on a distinguished road
Cold Start Whine

My 2003 X5 4.4 has a cold start whine, that is pretty loud and stops after a few minutes as the engine heats. It is only on cold start. I have researched and found that the timing chain guides are prone to failure on the M62, but I don't know what that sounds like. The timing chain guide issue was described as a grinding sound on one of the DIY videos. My car is more a of high pitched whine that stops after a few minutes. Sounds like a jet turbine, then stops. Any idea what this might be? I am not convinced its is the timing chain guides as that will be a "project" to tear down to replace.
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