BMW driveshaft recall/problems & preventative maintenance
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Re: BMW driveshaft recall/problems & preventative maintenance
How much of an issue is it to drop the shaft.
- Stu
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Re: BMW driveshaft recall/problems & preventative maintenance
I suppose it depends on how mechanically minded you are
I could probably get it out and back in within a few hours taking my time to clean and inspect everything.
The hardest part is the front boot and removing the shaft from that end and then connecting it all back up again
But overall its not too bad
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Re: BMW driveshaft recall/problems & preventative maintenance
I found it quite easy to do the rear splines just taking my time, I want to pull it out though and grease the front, I’ve ordered the cable ties for the front boot as ordinary ones won’t fit apparently, I’m also going to try a thin wire hooked onto the front UJ and see if I can reattach it ‘Blind’
- David.
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Re: BMW driveshaft recall/problems & preventative maintenance
As you may be aware, there is a "Technical Campaign" on some 1250 GS's and RT's to retrofit a one-way drain valve in the swingarm, to allow moisture out of the tunnel.
- Arek
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Re: BMW driveshaft recall/problems & preventative maintenance
I heard that only about GS, actually I have service booked for 6th of April, and I asked BMW when I booked it. They told me that's only apply to GS.
Do you, or maybe someone else have the "campaign" number which I can present to BMW? I'll try flash it when will be handed over my bike. Will see if that will work.
I have 21yom. One of the first with TFT.
- David.
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Re: BMW driveshaft recall/problems & preventative maintenance
Have a look at this thread, viewtopic.php?t=6620&hilit=one+way+valve
Use this BMW Recall Check website, https://www.bmw.co.uk/en/footer/quick-l ... calls.html
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Re: BMW driveshaft recall/problems & preventative maintenance
Its a serious issue, and as BMW has put two fingers up to us with the RT, its either a mass (sort of) letter writing campaign ,ignore it (shouldnt be an option, certainly not for me) or do it youself.Which I have.New shaft is £900 so i removed,cleaned and checked the old one,then refitted.I used new boots either end then smoke tested the cardan tunnel to eliminate the possibility of water ingress.At least I know its been done properly.BMW customer care is a joke.
Re: BMW driveshaft recall/problems & preventative maintenance
Did you fit the one way valve. Apparently the valve is not only to release moisture, but the reason moisture ends up in the tunnel is the spinning of the shaft builds up pressure which forces the boots away and that lets water in.
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Re: BMW driveshaft recall/problems & preventative maintenance
That sounds interesting, how did you do that.
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Re: BMW driveshaft recall/problems & preventative maintenance
Were you expecting to see smoke drawn towards or blown away from swingarm (cardan tunnel) if there were any leaks.
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Re: BMW driveshaft recall/problems & preventative maintenance
What I'm trying to understand is whether a cardan shaft rotating within a swingarm creates a vacuum, pressure or neither. Both have been given as reasons for fitting the one-way valve to the swingarm. Some discussion within this thread, viewtopic.php?t=6620&hilit=vacuum but no conclusion drawn.
Can anyone please explain this phenomenon, thank you.
Can anyone please explain this phenomenon, thank you.
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Re: BMW driveshaft recall/problems & preventative maintenance
I drilled the hole for the vent but tapped it and have put a screw in it.Ill monitor the water build up.The smoke was introduced into the vent hole under low pressure.If the boots arent leaking, im at a loss as to where any water production comes from.My last 2014 RT sufferred a seized shaft to the final drive that was impossible to free without damage.
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Re: BMW driveshaft recall/problems & preventative maintenance
The reason BMW give for the exclusion of the RT is horse shit.The angle of the uj,s is greater on the GS models.Its the water ingress and rust that finishes them off..