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      07-07-2020, 07:18 PM   #11
M3AN ZCP
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Drives: 2011 E90 M3 Comp Package
Join Date: Aug 2012
Location: Honolulu, HI

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EDC

The "rubbing" sound you hear is actually your shock. It's an indication that the EDC module, located in the right rear quarter panel, is failing. You'll need to replace and program the module. The rubbing sound will go away.
Isaac.4.50