Replaced speed sensor - BMW Luxury Touring Community
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post #1 of 7 Old Mar 19th, 2017, 7:00 pm Thread Starter
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Replaced speed sensor

1999 LT New bike for me. Speedometer was not working when purchased from a friend. Purchased new sensor and replaced.

Speedometer worked while on center stand....just a few spins to see if it worked(snow outside could not test ride.) Finally took bike for quick
spin only got as far as a few blocks and speedometer stopped working. Any ideas? thanks New Guy
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post #2 of 7 Old Mar 19th, 2017, 8:45 pm
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Re: Replaced speed sensor

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1999 LT New bike for me. Speedometer was not working when purchased from a friend. Purchased new sensor and replaced.

Speedometer worked while on center stand....just a few spins to see if it worked(snow outside could not test ride.) Finally took bike for quick
spin only got as far as a few blocks and speedometer stopped working. Any ideas? thanks New Guy
Did you trace the wires at least past the swingarm? I recall some issues with the sensor wire breaking near an overly tight zip tie on or near the swing arm pivot. A broken wire nearing a point of movement can cause intermittent faults as the two broken wire ends make and break as the part moves.
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post #3 of 7 Old Mar 20th, 2017, 3:10 am
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Re: Replaced speed sensor

Now & then the speed sensor wheel in the final drive have come off.

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post #4 of 7 Old Mar 20th, 2017, 9:25 am
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Re: Replaced speed sensor

I had the same problem when I purchased my bike a few years ago. It turned out that the wires were damaged because of the zipties. You can re solder the wires once you determine where the break occurred.
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post #5 of 7 Old Mar 22nd, 2017, 1:28 pm Thread Starter
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Re: Replaced speed sensor

Thanks for the replies. This weekend Ill look over the wiring. But since it was a new sensor, I feel that wiring should be fine, but i will look at the rest of the wiring. Second
I have a feeling it might have to do with the piece in the final Drive. Will get Back.

Thanks again.
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post #6 of 7 Old Mar 22nd, 2017, 8:20 pm
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Re: Replaced speed sensor

Easy enough to check. Just pull the sensor back out and gently try to move the exciter wheel with a small stir stick. It should not move at all unless the wheel moves.

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post #7 of 7 Old Apr 2nd, 2017, 5:15 pm Thread Starter
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Wink Re: Replaced speed sensor

OK feeling like a newbie . Went to check sensor and realize that when I replaced it I didn't screw down the sensor all the way. Had a phone call when I was doing it and forgot to finish. Well..... tightened screw's and now my speedo works.....somethings are just so simple. Thanks for the help.
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