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      12-15-2014, 08:55 AM   #1
TomHickory
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what goes in empty engine bay space?

I have a new to me 2007 Z4 3.0si coupe with 9000 miles as I inspected the very clean engine bay, I see a very empty corner passenger side near windshield - is a empty corner but has a bracket in place that seems ready to accept some sort of device. Any ideas as to what goes here???
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      12-15-2014, 09:14 AM   #2
Nate4641
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      12-15-2014, 10:41 AM   #3
GuidoK
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i'm guessing emission control air pump (z4m has one)
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      12-15-2014, 08:22 PM   #4
dc_wright
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Quote:
Originally Posted by GuidoK View Post
i'm guessing emission control air pump (z4m has one)
^This^

The M and S 50, 52, and 54 engines had a secondary air pump. It mounts on that passenger side bracket in the Z4M.

http://www.moibibiki.com/gallery/mod...ine-6.jpg.html

http://www.google.com/search?q=z4m+e...86%3B500%3B315
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      12-16-2014, 08:16 AM   #5
TomHickory
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ahh that is it!! an M thing Thanks for the info!
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      12-27-2014, 07:14 PM   #6
saintex
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Yes there is a secondary air pump in the S54 but in the DTM Z4M the bulk of the corner space was taken up by the oil tank for the dry sump system...

like here page 4

http://resource.bmwusa.com/Pdf_07298...149c245b4.arox
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