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Old 07-10-2012, 10:54 AM   #416
being3
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Join Date: Nov 2011
Location: British Columbia, Canada eh
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My Ride: HPF M3 2.5+
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Here is a video of cold start. The car has sat all night.

The u can hear the vanos oil pressure come up and see the afr go from 10.0 climb to 11s. U can also hear a high pitched squeal. I believe that's vanos pressure. I have heard this sound and for example and seen the afr from 14.7 drop very quickly to 11.5 when warm. Anyone expierence that sound before. ?
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