This Failed... - BMW Luxury Touring Community
 
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post #1 of 20 Old Mar 1st, 2008, 5:38 pm Thread Starter
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This Failed...

The wife and I went riding around N. GA today. About twenty miles from home the bike was really starting to handle like crap.

I have had plenty of flat tires before but never on a LT.

I limped it home... And the route to the house is twisty as the Gap with houses.

Here is what failed... Who would have thought?
It separated from the inside of the stem and air was leaking from around it.
It was fine when I left the house. I checked the tires before leaving.


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post #2 of 20 Old Mar 1st, 2008, 5:46 pm
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Re: This Failed...

Quote:
Originally Posted by MikeERideWNC
The wife and I went riding around N. GA today. About twenty miles from home the bike was really starting to handle like crap.

I have had plenty of flat tires before but never on a LT.

I limped it home... And the route to the house is twisty as the Gap with houses.

Here is what failed... Who would have thought?
It separated from the inside of the stem and air was leaking from around it.
It was fine when I left the house. I checked the tires before leaving.

This has happened to a lot of us . Get a steel valve stem and you'll never have that happen again

Stevie Shreeve
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post #3 of 20 Old Mar 1st, 2008, 5:46 pm
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Re: This Failed...

Actooley, that's a pretty common point of failure with the LT. Doesn't hurt to replace them with every tire change.
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post #4 of 20 Old Mar 1st, 2008, 6:55 pm
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Re: This Failed...

Does the LT take a special size/type of valve stem? Where have you ordered them in the past?

Jack Homesley
Cornelius, NC USA
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post #5 of 20 Old Mar 1st, 2008, 7:16 pm
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Re: This Failed...

Quote:
Originally Posted by cccpastorjack
Does the LT take a special size/type of valve stem? Where have you ordered them in the past?
No....I get em (metal bolt-in) at the local parts store of the rack one size fits all.

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post #6 of 20 Old Mar 1st, 2008, 8:17 pm
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Re: This Failed...

O-Reilly's sells the "Camel" manufactured metal valve stems.. work perfect. and a lot cheaper than MC store.

...............
J.M.J...
Dcn Channing

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post #7 of 20 Old Mar 1st, 2008, 9:21 pm
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Re: This Failed...

Quote:
Originally Posted by cfell
O-Reilly's sells the "Camel" manufactured metal valve stems.. work perfect. and a lot cheaper than MC store.
Deacon,
There are a number of sizes listed on their site. Do you know which one best fits the LT rims?

O-Reilly's


Camel 1 1/2" X .453 Tr414 (Valve Stems)
Camel 1 1/4" X .453 Tr413 (Valve Stems)
Camel 1 1/4" X .453 Chrome (Valve Stems)
Camel 2" X .453 Tr418 (Valve Stems)

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post #8 of 20 Old Mar 1st, 2008, 9:31 pm
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Re: This Failed...

Yeah, I'm using the Chrome ones, of course!!! hehehe.. The key is they are short enough to not hit any components as the wheel spins. Certainly that's something to check each time you change to make sure it misses everything...

...............
J.M.J...
Dcn Channing

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post #9 of 20 Old Mar 1st, 2008, 9:33 pm
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Re: This Failed...

I'm using the Victor 1 1/4" x .453 valve stems.
Was using Camel,auto parts switched brands.

You will want to use the shortest you can get.

Dan
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post #10 of 20 Old Mar 1st, 2008, 9:40 pm
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Re: This Failed...

In case some of you don't know it....BMW has a bunch of BAD VALVE STEMS supplied to the dealerships. THEY ARE OUT THERE! I had a new one let go last summer. It too (I thought) looked fine.

By all means, don't replace your valve stem with another BMW valve stem!

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post #11 of 20 Old Mar 2nd, 2008, 6:02 am
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Re: This Failed...

Quote:
Originally Posted by MikeERideWNC
The wife and I went riding around N. GA today. About twenty miles from home the bike was really starting to handle like crap.
I have had plenty of flat tires before but never on a LT.
I limped it home... And the route to the house is twisty as the Gap with houses.
Here is what failed... Who would have thought?
It separated from the inside of the stem and air was leaking from around it.
It was fine when I left the house. I checked the tires before leaving.
Neat picture.
This thread is a good reminder for anyone who is still running the BMW OEM valve stems to change them out. Lots of discussion in the past. I investigated this after hearing reports of this failure posted on this board:
http://www.bmwlt.net/ubbthreads/show...=&view=&sb=&o=
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Last edited by CharlieVT; Mar 2nd, 2008 at 9:40 am. Reason: Pic of Camel valve added
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post #12 of 20 Old Mar 2nd, 2008, 6:31 am Thread Starter
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Re: This Failed...

I just picked up these from patchboy.com:

For bikes that I change the rear tire for:
1 1/4" Chrome Flush Mount Valve, .453" & .625" hole, 40 Valves
Code: B17-559
Weight: 3.00
Price: $27.50
Quantity in Basket: 1




And for front tires:

1 1/4" Chrome 90 degree Inner Mount Tire Valve, .453" rim hole
Code: 17-562
Weight: 0.15
Price: $1.75
Quantity in Basket: 20




The way I see it is; I change a lot of bike tires. I charge 10.00 per wheel, this covers the cost of stems and weights.
For two wheels it is just under $1.00 per wheel to add the chrome stems.
I'll put the straight on the back and the 90* on the front because it is difficult to get past the rotor on most bikes.
If only stealerships would take this extra step...
I guess that is why I don't run a business, I would actually care about the customer.

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post #13 of 20 Old Mar 2nd, 2008, 10:41 pm
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Re: This Failed...be careful

If you use metal valve stems and depending on how your wheel balances out you may wind up having to place excessive amount of wheel weights to balance everything out.

I have tried them but would opt out to just using the rubberized ones and replace everytime - easier to balance. I have not heard of the new BMW Valve Stem issue !!!

Not all these metal ones fit well - the metal stems are machined flat and the wheel is curved!! The rubber grommets help, but in my opinion are not all that complaint.

Dan Finazzo
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post #14 of 20 Old Mar 3rd, 2008, 6:38 am Thread Starter
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Re: This Failed...be careful

Quote:
Originally Posted by dfinazzo
If you use metal valve stems and depending on how your wheel balances out you may wind up having to place excessive amount of wheel weights to balance everything out.
You can spin the tire on the wheel to get the weight displaced better.

Besides the LT tires weigh so much already, that any additional ounces doesn't really matter.
It is not like you are robbing HP from the machine. If that were the case we could all use a diet.

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post #15 of 20 Old Mar 3rd, 2008, 8:41 am
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Re: This Failed...

Quote:
Originally Posted by MikeERideWNC
I just picked up these from patchboy.com:

For bikes that I change the rear tire for:
1 1/4" Chrome Flush Mount Valve, .453" & .625" hole, 40 Valves
Code: B17-559
Weight: 3.00
Price: $27.50
Quantity in Basket: 1

.
$27.50 for A (as in one) valve stem??? I think I paid about $4.50 for a package of two and they work fine.

Lee Nowell
Black 01, LTC
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post #16 of 20 Old Mar 3rd, 2008, 11:09 pm Thread Starter
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Re: This Failed...

Quote:
Originally Posted by lnowell
$27.50 for A (as in one) valve stem??? I think I paid about $4.50 for a package of two and they work fine.



27.50 for 40 valves...

I change quite a few tires.
I will start installing them on every wheel that comes through my garage and I will put 90* on the front so I don't have to deal with the rotors in the way.
I have the only BMW so far.
I do a lot of Jap bikes. The safety factor is well worth the cost.

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post #17 of 20 Old Mar 9th, 2008, 10:14 pm
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Re: This Failed...

Any benefit to having the inside surface machined flat around the hole when having a new tire/valve stem installed to insure a good seal? I'm big on the ounce of prevention and that seems a simple solution. Twenty minutes with a dremel when the tire is off seems fair.

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post #18 of 20 Old Mar 10th, 2008, 5:17 am Thread Starter
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Re: This Failed...

For that matter:

Why not just a light coating of Black RVT?
With the rubber seal and some RVT, no air is going to escape out.
It won't be long before I need new tires.
I will post detailed pictures.

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post #19 of 20 Old Mar 10th, 2008, 5:25 am
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Re: This Failed...

Quote:
Originally Posted by Hackercraft792
Any benefit to having the inside surface machined flat around the hole when having a new tire/valve stem installed to insure a good seal? I'm big on the ounce of prevention and that seems a simple solution. Twenty minutes with a dremel when the tire is off seems fair.
There is no need to cut metal from the rim. The problem has been with the valve stem itself, not the seal the stem makes with the rim.
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post #20 of 20 Old Mar 10th, 2008, 6:14 am
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Re: This Failed...

Once you have the valve stem installed......... any tricks to checking the air pressure, aside from the wireless dash display monitor? Me, it seems I almost have to lay on my back to check the rear tire. Got a piece of carpet just for that purpose. On the side of the road, it's a pain. Front not too bad. I tried the 90 degree stems, but they flexed too much. Anyone have a good method? I'd have to say that I don't check as often as I should because it's so difficult to get to the valve..

Dano
Tampa, Fl.

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