R1200RS + R1250RS Forum
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I got the feeling that after three years my keyless key fob battery was getting tired. So I tried to replace it today and I am not having any luck removing the battery cover - which doesn't seem to exist on my fob. My owners manual shows that the fob has an easily removal battery cover that you are supposed to lift off to replace the battery. But mine doesn't have any such cover. I tried to pry the device apart with a knife blade, but wasn't able to do so without risking breaking the plastic. Can someone tell me how to access the battery compartment? Attached are two photos of my fob, which clearly does not have a battery cover as shown in the manual.
Richard230
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Current motorcycle collection: 2002 Yamaha FZ1; 2005 Triumph Bonneville T-100; 2011 Royal Enfield Bullet 500; 2009 BMW F650GS; 2016 BMW R1200RS; 2011 Zero S 16.6 kWh
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Zitat von wessie im Beitrag #2 Mine is somewhat hard to push off but this is essentially what Richard needs to do. Might take both thumbs to push up. Regards, |
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Thanks for the encouragement. Just as I was thinking about getting out my angle grinder and cutoff wheel to attack the battery cover, I managed to pry it off using a knife blade and a lot of force. Photo attached. The original battery tested at about 50% (not bad after three years of use), but since I had the darn thing apart I installed a new CR2032 Chinese-made battery (20 for $4 from American Scientific Surplus, I believe). With any luck it will work well enough to make the keyless key system happy.
Richard230
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Current motorcycle collection: 2002 Yamaha FZ1; 2005 Triumph Bonneville T-100; 2011 Royal Enfield Bullet 500; 2009 BMW F650GS; 2016 BMW R1200RS; 2011 Zero S 16.6 kWh
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... a quick push works better than a slow increase in pressure. It is like driving a nail with your thumb. Impossible. But a tap with a hammer works ....on the nail, not the key. |
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Zitat von Vtbob im Beitrag #7 All I got today was a bright red triangle when I tried to turn on my ignition while standing on the left side of my bike, about a foot away from the seat, with the key fob in my right pants pocket. Then I sat on the seat and the ignition came on as normal. So I suspected that the battery might be low. According to the "book" when you see that battery symbol on the display, that means that your battery should be replaced soon. I have yet to see it on my display. 
Current motorcycle collection: 2002 Yamaha FZ1; 2005 Triumph Bonneville T-100; 2011 Royal Enfield Bullet 500; 2009 BMW F650GS; 2016 BMW R1200RS; 2011 Zero S 16.6 kWh
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Mon Jun 11, 2018 2:02 pm (Last edited: Mon Jun 11, 2018 2:02 pm)
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Mon Jun 11, 2018 5:20 pm (Last edited: Mon Jun 11, 2018 5:26 pm)
Zitat von Grumpy Goat im Beitrag #10Zitat von Boxerboy im Beitrag #9 It even works with a dead battery if you place it on top of the receiver. Fob.png - Bild entfernt (keine Rechte) Lee |
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The problem with the "emergency key" is that it is made of plastic and is not strong enough to open up the seat lock without breaking. If you can't get the seat unlocked, you can't place the key as shown on the diagram above. BMW really should have made the emergency key out of metal. I hope they saved enough money by making it plastic to afford a free beer for the guy that thought up that plastic key idea.
Current motorcycle collection: 2002 Yamaha FZ1; 2005 Triumph Bonneville T-100; 2011 Royal Enfield Bullet 500; 2009 BMW F650GS; 2016 BMW R1200RS; 2011 Zero S 16.6 kWh
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Zitat von Richard230 im Beitrag #12 He's talking about using the fob as the passive transponder when the fob's battery is flat - you can use the key in the fob to take the seat off, surely? With the emergency key, you do not need to remove the seat to use it to start the bike. The plastic key slips into the gap between the seats and gets close enough to the sensor to work. For convenience, I have had a regular "dumb" key cut to use in the seat lock. If I leave this key in the seat lock due to memory failure then I only lose a dumb key, not the fob. This key is on the ring with my house key and Givi box key so is more accessible than my fob that lives in a waterproof pocket in my jacket. |
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Zitat von wessie im Beitrag #13 Dumb key idea is very smart.  I just have to get a round tuit first. 
Grumpy Goat
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Regards, |
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Zitat von Grumpy Goat im Beitrag #14Zitat von wessie im Beitrag #13 I just uploaded a picture of my key and some money to a vendor recommended either on the old forum or UKGSer and it arrived in the post. Expensive but means I'm not leaving the main fob in the seat lock in the garage or Tesco car park. |
