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Discussion Starter #61
Gt 1200

I programed a GT1200 this weekend for a friend. He did the float sending unit conversion and the wiring harness change himself. He came by the house and in 5 minutes had him re-programmed and his gas gauge was working again. It did react slowly at first, but moving the bike around which moved the fuel in the tank, the gauge would change.
I believe another success story for this modification. :smile
du907
 

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Another conversion success!

Big thanks to du907 for posting this guide and the great photos. It enabled me to convert my R1200GSA to float sender successfully. The wires in the bike are even the same ones, but you guys can get to them far easier. Mine are under the tank, which has to be removed.:smile
 

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Good work to you hard workers!
 

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Yes, I was one of the smart asses that said I was just going to use my trip meter and I did for over 53,000 miles. And that was fine as my fuel strip (#3) was perma-locked on full. Now it suddenly changed to empty with all the flashing lights and annoyance. So a little electrical tape has kept me from being distracted but a permanent fix is in order. Thanks to everyone's hard work I have started collecting parts for the switch over to a float type level sensor. I may save the big fix till the riding season is over but in the meantime I will try to zap it back to not empty.
 

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Yes, they are the same on the k12/13, just meant that it will not work on the GT models.. But you still need to change the wires in the connector at the zfe point and also program to floatsensor in the software.
 

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Discussion Starter #69 (Edited)
Olistoys1,
If you get a 1300s tank with the float sensor you will still need to change the wires around in the plug and then program the ZKE from fuel strip to float sensor using the Motoscan app and a OBDII to 10 pin BMW cable.

Mattias_r is correct. I believe we checked the part numbers on the gas tanks and they are the same for the K1200s and the K1300s. The fuel filler flange is the important part. Then change the wires around in the plug per diagram and program the ZKE.
Easy - Pesey
 

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So I went by the dealer to see if I was covered under warranty and I’m one month out my 12 year warranty on the fuel strip ran out on June 25th The dealer told me they can fix the bike for $425 and a two year warranty on the new fuel strip I can get a K 1300 S fuel tank for 60 bucks complete I know there is an app that you need For your phone to download into the bike move some wires around the electrical part of the job is not my forte but It doesn’t seem like that big a deal. So is everything working well with the people that have Completed this modification. ? Just checking before I make The decision on which way to go
 

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Discussion Starter #71
Olistoys1,
Now you see why we started on this journey to eliminate the fuel strip and get a reliable fuel gauge. My fuel strip 12 year warranty ran out a week before I contacted BMW and they wouldn't help me out. The fuel strip part by it shelf is $225 and sometimes they work and sometimes they don't. Another $400 or so for labor. Hell, BMW even figured it out and changed to a float system on the later models.

I did the swap over the winter and it is still working. I ride in the mountains at least once a week and it's so nice to have a reliable fuel gauge.

Let's review the cost.

1. A K1300S float type sensor, used from ebay, $28.
2. A later type black plastic filler tube/flange $25. If you have an earlier model with a metal filler tube/flange you will have a little welding to do.
3. An OBDII blue tooth scan tool (OBDIIlLink MX from scantool.net $59.95) and a OBDII to BMW 10 pin plug adapter (from Amazon $14.95)
4. A couple of very small crimp style clamps for overflow hose.
5. The Motoscan app from google play for android and from Apple for the iphone. The app is free but is a demonstrator app. You will have to upgrade to the Ultimate version to do this fix $59 or so.
For about $187 plus your or a friends labor you will have a dependable gas gauge that will last for less than the fuel strip part.
Your call.
du907
 

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IMO there is no choice, spend on something that is known to fail and get a measly 2 year warranty or spend less money and a few hours of work and be gone with the problem.....forever.
 

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I have been collecting parts to make this modification to get my low fuel warning lights to go off. I am probably going to pay my local independent motorcycle shop to help me with the software component rather than buy all the equipment and software for a one time use. It may cost just a bit less but it helps spread the cash around.
 

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I’ve done some power tunes to some motorcycles. Like a Brentune on my GA but a little vague on what needs to be done with the app from the phone and OBD thing i’m not really a computer guru so I don’t understand what that all is yet but it won’t steer me away from making it right after I get the gas tank or float which ever way I go I will probably p.m. The smart ones that have done it for a step-by-step on the computer stuff I don’t see the dealer helping me out
 
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