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E36/7 Z3 (1996-2002)
E36/7 Z3 Roadster, Z3 coupe, Z3 M Roadster and Z3 M Coupe talk with our gurus here.

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  #1  
Old 07-02-2015, 10:02 AM
maddawgg maddawgg is offline
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Location: Pa
 
Join Date: May 2011
Posts: 6
Mein Auto: 2000 Z3 and 2002 Z3
Question Antenna base unit

I just bought another Z3. This one is a 2002 2.5. I also own a 2000 roadster. The new one is in nice shape. The only fault I saw before I purchased it was there was no grommet around the antenna. I negotiated a price reduction for the lack of a grommet thinking how hard could it be for me to fix this myself. Turns out it's more difficult than you might imagine. Does anyone here have any experience swapping out antenna base units? I snapped off the plastic threaded nipple at the top of the unit. Any help would be appreciated.
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  #2  
Old 07-02-2015, 05:07 PM
vintage42's Avatar
vintage42 vintage42 is online now
BMW CCA 1405
Location: Louisville, KY
 
Join Date: Jun 2007
Posts: 3,686
Mein Auto: 1997 BMW Z3 1.9 5MT
Quote:
Originally Posted by maddawgg View Post
... no grommet around the antenna... how hard could it be for me to fix this myself. Turns out it's more difficult than you might imagine. Does anyone here have any experience swapping out antenna base units? I snapped off the plastic threaded nipple at the top of the unit....
It's actually very quick and simple. You have to remove or at least loosen the base unit anyway to replace the grommet. Just order a new base unit and grommet, and read the DIYs.
The parts:
http://www.ecstuning.com/BMW-Z3-1.9-M44_1.9L/ES182326/
http://www.ecstuning.com/Search/65218411562/ES2608925/
Some DIYs:
http://www.zroadster.net/forum/viewtopic.php?t=8613
http://www.bimmerforums.com/forum/sh...ntenna-grommet
http://blog.bavauto.com/11619/bmw-an...nvertible-e36/

The visible grommet is an outer grommet, in the fender. There is a larger inner grommet just under the fender in the body, and plastic tip of the base goes through both. The inner grommet does not deteriorate, and will not be disturbed by pushing the lubed tip of the base up through it.

Last edited by vintage42; 07-02-2015 at 05:15 PM.
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  #3  
Old 07-06-2015, 09:57 PM
maddawgg maddawgg is offline
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Location: Pa
 
Join Date: May 2011
Posts: 6
Mein Auto: 2000 Z3 and 2002 Z3
Thanks for the links. After snapping off the threaded antenna nipple on the original base unit I retreated and regrouped and thought my next moves through before taking any further steps. I am happy to report the new base unit is installed, the nipple is through the grommet and the antenna is mounted correctly. Everything is solid and looks clean and finished. In my haste to get to the antenna base unit and swap it out I neglected to remember where the two wires on the top motor were attached when I unbolted the unit and put it aside. Can anyone post a link to the top motor schematic that shows the wiring? Thanks in advance for any and all assistance.
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  #4  
Old 04-20-2016, 05:56 AM
Jackula Jackula is offline
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Location: Chattanooga, TN
 
Join Date: Feb 2012
Posts: 5
Mein Auto: 1999 Z3 M Roadster/3.2L
Thanks, I had the same problem and found this information very useful.
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  #5  
Old 03-18-2017, 05:02 PM
sangatster sangatster is offline
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Location: Plano Texas
 
Join Date: Oct 2016
Posts: 14
Mein Auto: 1996 BMW Z3 Roadster
Snapped my antenna's neck too...

I did the same thing. Broke off the part into which the antenna screws. So effectively screwed myself and not the antenna.

Bookmarking this post. Thanks!
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