alarm siren

jcnpa · 11-21-2012, 03:13 PM

I have looked but do not see anywhere where it states to put the siren in a Z4MR. Can someone tell me if it is the same as the I or SI and goes in the rear passenger bumper area? Or is it the same as a Z4MC and it goes under the car in the back after removal of the rear panel.

Thanks in advance for any info.

SD Z4MR · 11-21-2012, 04:04 PM

Edited to remove incorrect answer and avoid any possible future confusion.

inTgr8r · 11-21-2012, 04:13 PM

The M is different, it goes under the rear diffuser.

http://www.bimmerfest.com/forums/sho...53&postcount=9

SD Z4MR · 11-21-2012, 04:43 PM

Ok, since we're talking about the rear diffuser, does anybody know the p/n for the two 12mm nuts shown in this pic. When I replaced the mufflers I took off the diffuser and discovered that these two nuts were missing.

I looked on realoem.com and thought it was p/n 51711958025, plastic nut, #4 in this diagram, so I went to the dealer and they gave me two plastic nuts that aren't threaded and have a much wider built-in washer base. I haven't tried to put them on and I'm not sure that the washer base will fit into the recess, so I don't think that this is the correct part (click diagram for realoem link):

Hmmm, looking at this diagram again, I think that it's actually p/n 12421438388, cap nut, #30 in the above diagram. Can anyone confirm?

jcnpa · 11-21-2012, 05:26 PM

Thanks inTgr8r, appears it is the same procedure as the Z4MC.

inTgr8r · 11-21-2012, 10:00 PM

^ yes M coupe & roadie are the same.

11-21-2012, 03:13 PM	#1
jcnpa New Member Drives: 06 red Z4MR Join Date: Sep 2012 Location: burbs of Philly Posts: 16 iTrader: (0)	alarm siren I have looked but do not see anywhere where it states to put the siren in a Z4MR. Can someone tell me if it is the same as the I or SI and goes in the rear passenger bumper area? Or is it the same as a Z4MC and it goes under the car in the back after removal of the rear panel. Thanks in advance for any info.
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11-21-2012, 04:04 PM	#2
SD Z4MR (formerly SD 335is) Drives: '06 Z4 M Rdstr \| '11 335is E92 Join Date: Jan 2011 Location: San Diego, CA Posts: 496 iTrader: (1) Garage List 2011 BMW 335is Coupe [0.00] 2006 BMW Z4 M Roadster [4.50]	Edited to remove incorrect answer and avoid any possible future confusion. __________________ Mine: 2006 Z4 Roadster \| Interlagos Blue Metallic \| Black Extended Nappa Leather \| Carbon Leather Trim \| Premium \| Navigation \| Heated Seats \| iPod Adapter \| Purchased 7/19/12 Hers: 2011 335is Coupe \| Le Mans Blue Metallic \| Black Dakota Leather \| Dark Glacier Aluminum \| 6MT \| Premium \| Convenience \| Heated Seats \| Navigation \| Harmon Kardon \| iPod/USB \| European Delivery 5/12/11 Last edited by SD Z4MR; 11-21-2012 at 06:34 PM.

11-21-2012, 10:00 PM	#6
inTgr8r Major General Drives: 07 M Coupe Join Date: Mar 2006 Location: Toronto Posts: 7,193 iTrader: (6)	^ yes M coupe & roadie are the same. __________________ Alpinweiss '07 M Coupe •Eisenmann Sport-Ceramic Black•Diablo-X•Fabspeed Headers•VRS Hyper-Narrow rear wing•Autosolutions SSK•APR splitter•Tekarbon headlights•StrongStrut STB•KW Clubsport•Poly FCAB/RTAB•Volk Racing G2•Direzza ZII•Stoptech BBK c/w Cool Carbon pads

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11-21-2012, 04:13 PM	#3
inTgr8r Major General Drives: 07 M Coupe Join Date: Mar 2006 Location: Toronto Posts: 7,193 iTrader: (6)	The M is different, it goes under the rear diffuser. http://www.bimmerfest.com/forums/sho...53&postcount=9 __________________ Alpinweiss '07 M Coupe •Eisenmann Sport-Ceramic Black•Diablo-X•Fabspeed Headers•VRS Hyper-Narrow rear wing•Autosolutions SSK•APR splitter•Tekarbon headlights•StrongStrut STB•KW Clubsport•Poly FCAB/RTAB•Volk Racing G2•Direzza ZII•Stoptech BBK c/w Cool Carbon pads

11-21-2012, 04:43 PM	#4
SD Z4MR (formerly SD 335is) Drives: '06 Z4 M Rdstr \| '11 335is E92 Join Date: Jan 2011 Location: San Diego, CA Posts: 496 iTrader: (1) Garage List 2011 BMW 335is Coupe [0.00] 2006 BMW Z4 M Roadster [4.50]	Ok, since we're talking about the rear diffuser, does anybody know the p/n for the two 12mm nuts shown in this pic. When I replaced the mufflers I took off the diffuser and discovered that these two nuts were missing. I looked on realoem.com and thought it was p/n 51711958025, plastic nut, #4 in this diagram, so I went to the dealer and they gave me two plastic nuts that aren't threaded and have a much wider built-in washer base. I haven't tried to put them on and I'm not sure that the washer base will fit into the recess, so I don't think that this is the correct part (click diagram for realoem link): Hmmm, looking at this diagram again, I think that it's actually p/n 12421438388, cap nut, #30 in the above diagram. Can anyone confirm? __________________ Mine: 2006 Z4 Roadster \| Interlagos Blue Metallic \| Black Extended Nappa Leather \| Carbon Leather Trim \| Premium \| Navigation \| Heated Seats \| iPod Adapter \| Purchased 7/19/12 Hers: 2011 335is Coupe \| Le Mans Blue Metallic \| Black Dakota Leather \| Dark Glacier Aluminum \| 6MT \| Premium \| Convenience \| Heated Seats \| Navigation \| Harmon Kardon \| iPod/USB \| European Delivery 5/12/11

11-21-2012, 05:26 PM	#5
jcnpa New Member Drives: 06 red Z4MR Join Date: Sep 2012 Location: burbs of Philly Posts: 16 iTrader: (0)	Thanks inTgr8r, appears it is the same procedure as the Z4MC.