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2010 2011 BMW 5 Series Forum F10 BMW 5-Series (F10) Forums General 5-Series Sedan and Wagon (F10 / F11) Forum 550i 2011 Weird Sound on cold start up?
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      01-06-2013, 07:13 PM   #1
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550i 2011 Weird Sound on cold start up?

Hey Guys

New to the forum, just picked up a 2011 550i, Msport, Dinan Stage3 with 20k miles. I have had it for a month and at start up in the Morning after not driving for a few days it starts and while you hear it turning over and starting there is a metal grinding sound. I brought it in to the dealer but they probably did not hear it?
Any ideas?
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      01-07-2013, 01:38 AM   #2
Ben Lee
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Mine made a sound too when it start up, a kind of "clicking" sound, but not loud enough to be intrusive. Can hear it is there though and last for about 3-4 mintues and gone. My dealer say it is normal because the turbo chargers are firing up and all 5 series are like that. I am also wondering why.
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      01-07-2013, 11:05 PM   #3
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I park my car at the airport 2-3days per week. It makes the rattle noise firing up every time I get back. To me, it sounds more like pulley bearings (not turbo charger).
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