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      01-23-2013, 11:25 PM   #19
BMMW
Enlisted Member
1

 
Drives: F10 528i
Join Date: May 2011
Location: HK


Posts: 48
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2010 F10  [0.00]
good look!!!

The grill air invention door will be closed when the engine is just started and will be opened after the engine is warm enough! right?

But how about the rectangle air invention door that below the grill. I never it is opened!
Any brother know that when it is opened???