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      02-08-2011, 03:07 PM   #6
No 55mph
1QuikWS6's Avatar

Drives: F32 435ix MSport ->M6
Join Date: Jul 2009
Location: Blitzburgh, PA

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2016 BMW 435ix  [0.00]
The mounting depths you are looking at in that thread are the Top Mounting Depths

You need to be concerned with the Bottom Mounting Depths if you are planning on installing speakers in the door panels from the backside of the door panel as the factory speakers are.

>> Top Mount Depth is referenced from the underneath of the speaker mounting flange to the end of the magnet.

This dimension would be relevent if you were installing the speakers thru the holes in the door panels from the outside of the door panel (which is not how the factory speakers install)

>> Bottom Mount Depth is referenced from the outermost face of the speaker mounting flange to the end of the magnet.

This dimension IS relevent if you are installing speakers as the factory speakers are installed from behind the door panel.

So basically, if you plan on installing speakers as factory, from behind the door panel - those Top Mount dimensions reported in that thread don't mean $shit.

Obviously, the Bottom Mount dimension will be larger than the Top Mount dimension as it includes the entire thickness of the speaker flange.

So just because it seems the speaker will fit based on Top Mount dimension - it very well may not when using the correct Bottom Mount dimension.

Only way to get those actual numbers is to got to speaker mfg. website and look in the Tech Specs for the speakers and usually there is a dimensional drawing that will give you the answer.

And while surfing the speaker threads this morning, I did read a thread where member installed the MBQ RUA 210, and he stated that the window scrapes the back of the speaker when going up & down.

Not something I would want happening...
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