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      01-13-2014, 01:42 PM   #1
zero-2-sixty
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thumping noise

My 2013 X1 35i has a knocking noise coming from left side of engine bay when I drop into first gear after vehicle sits overnight. I get 3 knocks then it goes away until vehicle sits for some time. Dealer says they can't hear anything and tightened strut tower bolts. Any ideas?
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      01-17-2014, 05:10 PM   #2
Redsoxx1918
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I have a 2013 xdrive 28i. When my car sits in the cold for a while, I hear a thumping noise coming from the front left, as well. I hear mine as I first drive off, at slow speed. It only lasts a few seconds and doesn't come back until my car has been sitting for a while. Dealer said they couldn't duplicate it.
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      01-17-2014, 06:18 PM   #3
jlerner62
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Flat spots on tire/tires
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      01-17-2014, 06:59 PM   #4
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Midgets under the hood wanting you to let the car warm up before driving.
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      01-18-2014, 10:29 AM   #5
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      01-18-2014, 10:57 AM   #6
TGYR
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I have the same noise, and I concluded that it was the ABS self testing.
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      01-18-2014, 03:31 PM   #7
ScottE
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Quote:
Originally Posted by zero-2-sixty
My 2013 X1 35i has a knocking noise coming from left side of engine bay when I drop into first gear after vehicle sits overnight. I get 3 knocks then it goes away until vehicle sits for some time. Dealer says they can't hear anything and tightened strut tower bolts. Any ideas?
If I'm hearing you right, I had the same thing on my 2013 28i xDrive every time I'd drive off from an extended parking situation (overnight, etc.). Never made me nervous but definitely noticeable. It mysteriously went away after my first dealer visit oil change and ASS reset. Maybe just a coincidence.
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      01-19-2014, 08:09 AM   #8
bmwx3805
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Quote:
Originally Posted by Mtpisgah View Post
Midgets under the hood wanting you to let the car warm up before driving.
loml
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      01-19-2014, 02:54 PM   #9
zero-2-sixty
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Thumping Noise

I took to another dealer and they still could not hear the noise. Dealer suggested to bring vehicle and let it sit overnight. Try to replicate the issue next day when vehicle is cold. I just want to make certain it is not something that will fail at speed and cause accident. There are no warning lights, so I think it's something mechanical.
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