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      05-11-2020, 12:40 PM   #18
BayE30
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Drives: 2011.75 E90 M3 ZCP
Join Date: Jul 2014
Location: San Francisco

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Quote:
Originally Posted by JNoSol View Post
It has nothing to do with aerodynamics, if anything the Mporium piece is more aerodynamic as it's flat. You do need to bend the hard power-steering line up a little (it won't hurt anything, supposed to be bendable). This ensures the hard line doesn't touch the new piece.

I can think of a few reasons why the OEM is like that:

(1) The OEM central piece is held by these stupid steel cable with nuts, it's super annoying. The side pieces hang down to match the center piece for easy access to the hanging bolts and nuts. Mporium don't require these hanging cables, which is a huge relief.
(2) The OEM hangs down to be a "feeler" component, warning you not to drive further if you're close to a tall obstacle. However, the OEM cracks so easily so that is useless.
(3) OEM piece is designed to be assembled quicker, no drilling or eyeballing to fit.
those cables ARE supposed to be installed with the Mporium undertray.
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Current Garage - [2011 E90 M3 ZCP] [2005 E53 X5 3.0 Sport] [1988 E30 325IS 24V]
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