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Old 12-29-2017, 09:31 PM
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lsmalley lsmalley is offline
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Join Date: Oct 2006
Location: California
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Cold start video 99% sure it's lifter. Mine did the same thing and I just replaced the faulty one a month or 2 ago. Sounds almost like it was in the same location as mine as well, towards cylinder 5 and 6. Obviously you won't be able to tell exactly which lifter is making the noise so I just replaced the 4 that were on cylinders 5 and 6 when I did my oil change. Also, while you have the valve cover off change the gasket as well.
Attached Thumbnails
M104 Cold start Knock/Tick-img_20170209_183053.jpg   M104 Cold start Knock/Tick-img_20170209_183132.jpg  
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1990 190E 3.0L
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