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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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..
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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)

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I have a 99 R1100RT and the ABS lights keep flashing or once in awhile just stay on and don't flash. It's my understanding they should go out when working right. I have replaced one prox and check the rear...

ABS - Anti-Lock Braking System And EBD -Electronic Brake-force Distribution In Plain English Posted by: Rohit Khurana March 1, 2010 in Automobile Technology
AdvertisementCarBlogIndia Technology Articles , today I will talk of one of the most talked about safety feature called the ABS And EBD. Again I will try to keep the language simple and human understandable (which non-engineers can also make some sense of), pun intended.
What Is ABS ? Anti-Lock braking System system or ABS is a safety system which prevents the wheels on a moving vehicle from locking up(or cease while rotating) while braking. ABS offers improved vehicle control over dry and especially slippery surfaces by reducing the braking distance but it can also increase the braking distance in case of loose surfaces like snow, gravel etc. Ever since the invention of ABS, it has been evolving and the recent systems not only prevent wheel locking but also electronically control the front-to-rear brake bias, which we know as Electronic brake force system, Traction control system, Emergency brake assist or Electronic stability control.
Working Of ABS
When brakes are applied under heavy loads, the braking pressure becomes high resulting in heavy braking or in other words locking up of wheels. The ABS overcomes this by monitoring the wheel speed and releases pressure on each wheel brake lines in the form of rapid pulses switching between different brake lines. which prevent locking-up.

Preventing lock-up under heavy braking helps the driver in maintaining control over the vehicle. In modern ABS an individual brake line is provided for each of the four wheel enabling different braking pressures for different road surfaces of the wheels.
What Is EBD ? Electronic brake- force distribution system also called as Electronic brake-force limitation is an automobile brake technology that automatically varies the amount of force applied to each of a vehicle's brakes, based on road conditions, speed, loading, etc.
EBD system is always coupled with anti-lock brake-force system. The most important function of EBD is to maintain vehicular control with variation in braking pressure applied to each wheel in order to maximize stopping power. Generally most of the weight of all vehicles is carried by the front end so the EBD ensures less braking pressure at the rear end to avoid skidding. But in some EBD's the distribution of braking pressure at the rear end is more initially when the brakes are applied before the effects of weight transfer comes into play.
Working of EBD system An EBD is a subsystem of the abs and its function is to control the effective adhesion utilization by the rear wheels. this definition has been given by SAE in its technical paper no. #920646.
The Antilock brake force system releases pressure in different brake lines at the time of heavy braking to prevent locking-up. The action comes in the form of releasing pressure from the braking circuit when it detects extreme and rapid deceleration in any of the four wheels in order to make sure that the driver maintains control over the steering during panic or emergency braking. For example if the wheels of a vehicle are on snow as well as asphalt then in case of emergency braking the ABS will monitor the speeds and eventually the EBD system will release less pressure for wheels on snow and more pressure for wheels on asphalt to prevent wheel lock-up


Oct 07, 2010 | 1998 BMW R 1100 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.

Apr 14, 2009 | 1999 BMW R 1100 RT (ABS)

1 Answer

BMW R1100RT 1999 model

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

Jul 17, 2008 | 1999 BMW 318 ti

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