Question about 2000 BMW R 1100 RT (ABS)

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How do i reset the abs on my r1100rt. my battery keeps going flat (i am getting a newone), could it damage the abs? Can i reset the abs while riding? Thanks

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The ABS has a grey out (Stops fuctioning) at 10Vdc. When you have a flat or old battery the battery voltage will go below 10V when the starter motor runs.
There is a modification on the internet where you re-route the power for the ABS unit via the starter relais. The ABS is only powered if the starter motor is not running.
Just Google for "modification abs r1100".


Posted on Jan 05, 2010

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The abs computer should reset its self when you put on a new battery but it could take a fuw miles of driving to do it, good luck on this one

Posted on Oct 20, 2009


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2002 BMW R 1150 RT (ABS) has a dead spot

Hi, Paul and the usual suspects are:
1. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a preliminary reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead-acid batteries.
2. Failed alternator/generator and or voltage regulator.
3. Loose or corroded battery terminals and or cables especially the "NEGATIVE" cable, look for loose, corroded, or broken connectors inside the cable harness at "BOTH" ends.
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5. Failed system and or ignition relay, check for continuity.
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18. Needle and seat stuck closed in the float bowl.
19. Petcock clogged or damaged.
20. Lean angle switch is faulty or needs adjustment.
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For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Hi, Anonymous for this situation I would call my local dealer or reputable shop's service/parts department and inquire about any possible quick fix, answers, or parts inquiry. If necessary, transport your bike to the dealer or shop and have a professional technician take it for a test drive, if it is in running condition, and give you a written estimate of repairs and answer any specific questions you may have about your issue. For more information about your issue please visit the website below. Good luck and have a nice day.
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Hi, Anonymous I am sorry you can't find the first and best tool you ever bought for your BMW but despair not for a mere $0 you can download another one. For more information about your issue, please visit the websites below. Good luck and have a nice day.
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I have a 2000 R1100RT Starter or Aternator?

Hey Gerard,
This sounds a little serious,,, I would not risk anything going wrong with such a nice bike,,, take it to qualified professional, let them listen to it.. and go from there..
good luck,,

Sep 15, 2017 | Motorcycles

1 Answer

I just bought a BMW R1100RT 1998 model, it was running fine the past few days, moments ago i cranked up the bike to warm it up and everything was fine; it was until i opened the radio cover and tried to...

Hi, K3_gixxer and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
8. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
10. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2 and/or BAS).
11. Security alarm needs a reset.
For more information about your issue, please visit the websites below. Good luck and have a nice day.
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Dec 22, 2010 | 1998 BMW R 1100 RT (ABS)

1 Answer

Put new battry on bike went to start it like its getting to much petrol can you help me 1995 r1100rt

I will need more info, but to start with did you reset the motronic after installing the new battery? Its pretty simple: turn on the ignition, open the throttle from closed to fully open 3 times. Then start the engine.

Nov 26, 2010 | 2004 BMW R 1150 RT (ABS)

1 Answer

1996 bmw r1100rt, my ABS system seems to mis-sync more often as of late. I can restart over and over and it will eventually sync, any ideas on how to correct so it syncs the first time.

This is common on all bikes of this era. A new battery will resolve this problem for a while until it starts to drain down after 6 months to a year or so. The problem is the ABS system needs a good solid 12.5V or better to work at start up. This is the same time the starter also needs good power which puts a heavy load on the battery. They both end up competing with one another and the ABS computer creates a fault but the bike still starts. By starting it again and again helps because the battery is quickly charging each time you start. So, a new battery can help or put your bike on a trickle charge from time to time. The problem will never be fully resolved. You need to eliminate the fault before riding or your ABS system is non functional.

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The abs light flashes when the battery is not good, to replace the battery on your bike you must remove the seat, then the two black panals both sides of the bike, then remove the two side fairing panals then the belly pan, undo the bolt that holds the tank down, lift up the tank and there id the battery just remove and replace, hope tis can help

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