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Thread: How can I tell if an "S" has ABS? Reply to Thread
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  Topic Review (Newest First)
Apr 19th, 2006 6:16 pm
stroker ride the bike and try locking up the rear , you will from there on.
Apr 19th, 2006 9:26 am
peteo Since I work in a dealership and got curious I looked at a K12R without ABS. The brake line goes straight from the resivoir to the caliper. I even turned the key on and hit the brake. Dead silence so no servo assist without ABS.
Apr 18th, 2006 9:53 pm
Originally Posted by ZZR1200
Thats the sound of the electrical servo, its there wheter u have ABS or not.
But isn't that part of the ABS setup? I have not heard this on earlier models of BMW without ABS.
Apr 18th, 2006 3:40 am
chilei Vox,
I followed the intermittent speedo issues as well. And, though my solution was not totally found here, it was people like yourself who got me on the right track. I was told to clean the magnetic interrupter at the final drive, while checking this, I noticed a small piece of dirt fall in the hole (a tiny piece but enough to get my attention, maybe the size of a small grain of sand). When I put my pinky in to pull out the dirt, I noticed that the piece was able to be moved, then I turned the wheel and saw that it was not aligned (was not consistently paralell) so it seemed that there was something amiss. I felt how it slid onto the drive, pushed it on as far as I could with my pinky. Then I used a screwdriver to push it all the way against the stop (turning the wheel and pressing it towards the wheel at every "notch") After it was all the way on, I put the sensor back and checked it out, It worked like a charm and has had no problems since. I have gone over 2000 miles without it failing.

I did not glue the sleeve because I felt it was "snug" enough to hold it and figured if it had problems, I knew how to fix it even if I ended up gluing it later.

My symptoms were not intermittent, it would read about 10MPH regardless of actual speed, after hitting a bump, it would bounce to 20-30 and back to 10. This is from it occasionally making some turns of the sensor.

If you look into the sensor hole with the bike on the center stand, running in 1st gear, you will see the oil surround the entire rear drive.

Hope this helps Vox!
Apr 17th, 2006 6:02 pm
GossLC8 The non ABS bikes do not have servo assisted brakes so you will not hear the servo assist motors whine. Just ordered an 06' without ABS and the dealer is absolutely certain of that. They have sold a few without ABS.
Apr 17th, 2006 4:26 pm
ZZR1200 As i said, if u turn the ign on, it will flash "ABS" if the bike has it.
Apr 17th, 2006 3:51 pm
BAK04GT just check the vin#....or look in the oweners manual......no guess work...
Apr 17th, 2006 1:29 pm
voxmagna Chilie, I remember many past postings on 'intermittent' speedos and maybe yours was one solution. The 'Jury' still seemed to be out though on intermittent electrical faults and exactly where they were.

Like most I disturbed the wiring, the speedo started working and it's worked ever since, but my bike hasn't been drenched in rain so much since the last time, so I could really find out the cause. Did you open the drive casing to glue it back?? Didn't mean to hijack DrJ's thread, but he has his answers now.

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Apr 17th, 2006 1:10 pm
Ring/speedo separate items

The rings are independant of the speedo. I had a speedo failure with no problems with my ABS.

The rings on the wheels, (on a '00 and similar bikes, they are teeth rather than holes) are in fact the ABS sensor. The speedometer sensor is in the final drive. The shaft makes a 90 degree turn to the wheel. Encased in the enclosure is the final shaft to the wheel, surrounding that is a sleeve which is "scalloped" which spins, then a magnetic sensor detects the intteruptions and transmits to the speedo. Older bikes actually have the sensor pickup on the outside (a wire is coming out of the final drive).

FWIW, my speedo failure was that this sleeve has moved off the drive and was no longer spinning as it should. This piece is glued on by the factory (no real lateral force on it to speak of). I pushed it back onto the drive and it has had no issues since!
Apr 17th, 2006 10:09 am
Originally Posted by ZZR1200
Well, iv heard that its the same sensor for ABS as for speedo, so then the sloted ring is there anyhow, but if u turn on the ign, there shal be a flashing red ABS sign, witch disapear when the bikes roll.

K1200S -05
NOT true. I have a non-ABS bike and there is NO ring.
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