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Discussion Starter #1
Just wanted to say hello and hopefully get a few questions answered. I am new to the group and recently purchased an 08 k1200GT. I have been riding all my life and this is my first BMW. In the past I have always had Jap bikes but some of the guys I ride with have BMW’s and one of my good friends has an 07 K1200GT so I knew it was a bike I liked.

So I do have a few hopefully minor issues with the new to me ride. First the tire pressure sensor for the front tire is intermittent at best. The rear seams to be fine. The yellow triangle comes on with the tire symbol but usually goes out after apriding for a while and then comes back on. I was thinking the battery since I see nowhere in all the maintenance records where it was ever replaced and the bike has 20k on it. But I see in the owners manual there should be a seperTe symbol telling you the battery in the sensor is low.

The next question is when I start the bike I get the battety light for a second or two then it goes out. Is this normal? The previous owner had the dealer put in a new battery 2 seasons ago and had not ridden much at all. It seams to start ok and I have been putting it on the BMW charger as well in the garage.

I also have a Garmin GPS that is wired into a plug to the right of the battery. I was thinking this would be switched but it does not appear to be. Is there a better place to wire this in so it shuts off with the bike?

Anyway, thanks for any assisitance! The bike is awesome and I’m not sure why it took me this long to get a BMW. Such awesome machines!

Chris
 

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Discussion Starter #2
I figured out the GPS. The port it’s plugged into cuts the power about 60 seconds after you turn the key off.
 

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Quote "...I also have a Garmin GPS that is wired into a plug to the right of the battery. I was thinking this would be switched but it does not appear to be. Is there a better place to wire this in so it shuts off with the bike?....."

That plug you are using for the GPS is probably the one that is connected to the CAN system controller. It should cut power after either 39 sec or 1 minute (I forget). It is intended as a GPS power source.
 

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What is normal starting procedure?

Hi I am also new to K1200GT. I wonder what is the normal starting procedure on the display? Anyone that has a video that shows the normal startup?
Regards Kim
 

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Normal startup is red triangle with ABS warning light then yellow triangle that goes out after about ten seconds. The ABS warning light will stay on until you roll about 10 feet.
 

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Everything I read above is normal. ABS and a brief battery light are normal. The warning lights should all turn off once you start riding.

There is a special GPS connector hidden under the metal bar just under the front of the battery cover. That connector was designed for a low current, BMW-brand GPS (yeah, made by Garmin, but with special software for BMW). The power SHOULD turn off within a minute or so.

IMPORTANT:
VERIFY that the power actually turns off. I have read that the CANBUS detects power usage on the various power connectors, including the GPS one. If the current draw from your GPS is too high, the CANBUS may not turn off the power to the connector, and leave the power from the battery to the GPS connector enabled. In that case, the GPS will slowly drain the battery on your motorcycle. If it were me, I would run the following test:

1. Take your GPS off the bike. If it has an internal battery, turn on the GPS and run it until the battery is drained. When the GPS is reconnected, it will draw more current to charge the battery. This should be the "worse case" current draw scenario.

2. Attach the GPS to the motorcycle. Start the motorcycle. Turn on the GPS. At the same time, the GPS' internal battery will begin to charge.

3. Turn off the motorcycle with the GPS still running (and still charging its internal battery).

4. Observe the GPS. Does it lose power after a couple minutes? Good.

-> If the GPS continues running beyond the two minute time limit with the bike off, then the CANBUS left the power enabled and the GPS will drain your motorcycle battery.

5. Repeat steps 1-4 a few times to be sure that power to the GPS is consistently turned off.
 
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