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Old 08-01-2011, 10:43 AM   #1
prittner OP
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Threaded inserts in the sub frame.........

Are the threaded inserts in the sub frame replaceable?

I have (the one that the screw goes into to hold the trim piece on the gas tank).... striped out and spinning in the sub frame.


Thanks in advance!

Rob
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Old 08-01-2011, 11:10 AM   #2
LukasM
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Yeah, they are called rivnuts or rivet nuts. Any good hardware place should have them, or you can get them online from McMaster Carr or Aircraft Spruce. I think most need a special installation tool, at least that's what I use to install them.
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Old 08-01-2011, 11:13 AM   #3
prittner OP
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Thanks for the reply!

Will the Dealer be able to replace these?

Rob
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Old 08-01-2011, 11:18 AM   #4
LukasM
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I guess that will depend on how well equipped their shop is, or if it's an official BMW tool that they are required to buy as a dealer at 5x normal price.

Ring them up and ask them I guess? They should be able to tell you. Note that there is a specific threaded insert for the tool for each rivnut size, although most come with a good selection. Maybe check your bolt size first to be sure.
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Old 08-01-2011, 12:18 PM   #5
dalebor
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I had one of the inserts that hold on the rear box mount start to spin in the frame. My dealer didn't even know what it was (Rivet nut) and was of zero help. I bought a new rivet nut from McMaster Carr and an installation tool from Maryland Metrics.

Dale B
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Old 08-01-2011, 03:37 PM   #6
inmate-n00b
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i had the same problem installing my topcase rack.
i'm not sure how strong those rivnuts are.
they are just aluminum.
they're used all over the bike, including to hold the pannier racks in place.

i couldnt find them anywhere and i tried grainger, mcmaster and 2 bmw dealerships.
the dealerships didn't have an individual part number for those things. they just ship with the sub frame. i didn't need to buy a new subframe.
actually, i did find them in the usa, but they wanted me to buy like a thousand of them.


the ones for the topcase rack are the M8.
i bought them from this place.
http://cheapestrivnuts.co.uk/aluminiumrivnut.aspx

so far it's not coming out.

i hope you have better luck finding them in the USA than me.

you can get an installer, or check out some vids on youtube, you can install it by hand using 2 nuts and a bolt.
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Old 08-01-2011, 05:02 PM   #7
lout
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Sometimes they are called nutserts, same thing just different localities
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Old 08-01-2011, 08:41 PM   #8
johnparjr
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My dealer fixed mine cost me$150
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Old 08-01-2011, 09:58 PM   #9
inmate-n00b
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$1.50 ??!!
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Old 08-02-2011, 01:10 AM   #10
DWS
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You could try This method, if you don't want to lash out on the special tool.

Seems the server for this link is down at the moment. (8/4/11)

It's OK now.
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DWS screwed with this post 08-04-2011 at 12:51 AM
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Old 08-03-2011, 10:19 AM   #11
prittner OP
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Just an update..... my dealer did have a BMW factory kit in the shop...... and had my bike fixed up in about 5 min.

Rob
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Old 08-03-2011, 11:49 AM   #12
wponder
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Quote:
Originally Posted by prittner View Post
Just an update..... my dealer did have a BMW factory kit in the shop...... and had my bike fixed up in about 5 min.

Rob

Rob, do you have a part number or name for the kit? What does the kit include?

Thanks,
Wendell
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Old 08-04-2011, 10:41 AM   #13
prittner OP
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Originally Posted by wponder View Post
Rob, do you have a part number or name for the kit? What does the kit include?

Thanks,
Wendell

No......I think it is a dealer only kit.......the master tech said they received it for a recall at one point in time......(it looked like a very expensive kit)

It contained the tool to set the insert........the inserts in 3 sizes........and 3 threaded bolts in the sizes for the inserts.

Rob
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Old 08-23-2011, 11:52 AM   #14
zaner32
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I had one of these spinning in the subframe when I removed my pannier racks. I chased the threads with a M8 X 1.25 tap. I wedged a flat screwdriver in between the frame and the insert to hold the insert from spinning. I screwed in a nut on an M8 bolt and then added a flatwasher.

I screwed in the bolt until the washer sat against the insert. Hold the bolt from turning, and put pressure against the insert by turning the nut. After the I felt the was pressure on the insert, I kept going for half, maybe even 3/4 of a turn. I relieved pressure on the insert by turning the nut, and then unscrewed the bolt.

The insert is now grabbing in the subframe.

What I think caused the problem is that the pannier mount bolt got loose and then put pressure against the insert which loosened it. I had a hell of a time pulling that bolt out. I plan on putting some lockwashers when I re-install the rack.


I got the idea from this webpage...

http://www.fjr1300.info/howto/rivnut-tool.html

Time will tell if it will hold.
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Old 08-23-2011, 01:05 PM   #15
usafe7ret
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Don't know if this will work for the subframe or not, but for a $1.87 it wouldn't hurt to try. Check this link out over on the Ridgeline owner's forum on how they install rivnuts for the side step installation on the truck.

http://www.ridgelineownersclub.com/f...%2C+DIY+Rivnut
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