Question about 2004 BMW R 1150 RT (ABS)
Hi, Beemer_guy03 your mechanic may be trying to blow blue smoke up your skirt with that reverse polarity song and dance 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.
BMW Service Eliminating servo brakes
How to remove servo brake ABS from BMW k1200 or similar bike http://www.carlsalter.com/download.asp?p=313
BMW Motorcycle Parts Fiche OEM BMW Motorcycle Parts online 1970 present BMW
Posted on Dec 22, 2015
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Posted on Jan 02, 2017
SOURCE: Adding ABS to a bike
Would it be ADVISABLE? No. Is this for another, identical-except-for-the-lack-of-ABS moto? Or another model/brand moto? Most motorcycle ABS systems are crude, at their best. Roughty equivalent to the ABS you'd find installed in a '90s GMC or Ford pickup. Better than nothing, but more of an annoyance than a help.
Posted on Nov 20, 2008
be careful these bikes have CAN_BUS wiring systems, you start messing with the wiring and it starts effecting all the other function
Posted on Apr 22, 2010
How are you bleeding the brake system?
If you are simply trying to bleed the front brakes by putting fluid in the handlebar mounted reservoir and bleeding it out of the caliper, you have emptied the ABS controller reservoir under the gas tank. This is why the ABS light flashes.
Post more information and I can try to give you some help, but you will have to remove the fuel tank etc. You need a few special tools to bleed the ABS brakes on this bike.
Awaiting your comments.....
Posted on Sep 24, 2010
Check the fluid levels in the pressure modulator (2 black caps). Chances are, the levels are low hence the flashing brake failure lights. Best bet is to junk the ABS (they're unreliable and prone to failure) and get some custom made Goodridge hoses to bypass the ABS. Happy days.
Posted on Dec 04, 2011
Anti-Lock Braking System (ABS)
Purpose Anti-lock brake systems (ABS) - generally also referred to as anti-lock
systems (ALS) - are designed to prevent the vehicle wheels from locking
as a result of the service brake being applied with too much force, especially
on slippery road surfaces.
The idea is to maintain cornering forces on braked wheels to ensure that
the vehicle or vehicle combination retains its driving stability and manoeuvrability
as far as physically possible. The available power transmission
or grip between tyres and carriageway should also be utilised as
far as possible to minimise the braking distance and maximise vehicle
Why ABS? Although today commercial vehicle brakes are designed to a very high
technical standard, braking on slippery roads often results in potentially
dangerous situations. During full or even partial braking on a slippery
road it may no longer be possible to fully transfer the braking force onto
the road due to the low coefficient of friction (friction coefficient (k)) between
the tyres and the carriageway. The braking force is excessive and
the wheels lock up. Locked wheels no longer provide any grip on the
road and are almost incapable of transferring any cornering forces
(steering and tracking forces). This often has dangerous consequences:
- The vehicle becomes unsteerable
- The vehicle breaks away in spite of countersteering, and starts to
- The braking distance is significantly increased
- Tractor-trailer combinations or semitrailer trains may break away or
Load sensing valve influence On dry roads today's load sensing valves (ALB) alone are often capable
of preventing the wheels from locking if the vehicle is unladen; they also
help the driver to effectively grade the braking process on wet road surfaces,
but they are unable to prevent locking as such (no slip monitoring).
In addition, they are unable to counteract any overreactions on the
part of the driver, or any variances in frictional or adhesion coefficients
which may apply to different sides of the vehicle, or indeed to its different
axles (?-split road surfaces).
Benefits of ABS: Only the Anti-Lock Brake System (ABS)
- guarantees stable braking characteristics on all road surfaces.
- maintains steerability and generally reduces the braking distance
- prevents vehicle combinations from jackknifing
- reduces tyre wear.
Limits of ABS Although ABS is an effective safety device, it can not suspend the limits
defined by driving physics. Even a vehicle fitted with ABS will become
uncontrollable if driven too fast around a corner.
So ABS is not a licence for a maladjusted style of driving or failure to observe
the correct safety distance.
ABS Training Anti-Slip Regulation (ASR)
Anti-Slip Regulation (ASR)
Why ASR? Increasing the engine output (accelerating) on a slippery road surface
can easily lead to the maximum adhesion on one or all powered wheels
being exceeded causing them to spin, especially if the vehicle is unladen
or partially laden.
Spinning wheels when driving off or accelerating represent a safety risk
just like locked wheel do when braking.
Reasons - Wheels that spin transfer just as little cornering force as locked
- They also no longer transfer any tractive power onto the road.
Consequences - Vehicles that do not move or get stuck.
- Vehicles that can no longer be steered, jackknife on uphill uphill
gradients, or swerve in corners.
Benefits of ASR ASR prevents the powered wheel from spinning and provides the following
- Tractive power and cornering forces are maintained.
- Stable driving behaviour is ensured when moving off, accelerating
and negotiating corners on slippery roads.
- The indicator lamp (if installed) is used to warn the driver of slippery
- Tyre wear is reduced to a minimum, and the motor vehicle's drive
- The risk of accidents is further reduced.
ASR and ABS: ASR represents a worthwhile addition to an ABS-controlled braking system.
All that is required to turn ABS control into full ABS/ASR control is
an ECU with the additional ASR function and a few additional components
for controlling the differential brake and the engine. This why ASR
is only available in combination with ABS.
Even a differential lock for off-road use and ASR do not exclude but complement
Limits of ASR The traction capacity of an all-wheel driven commercial vehicle can not
be achieved by a motor vehicle with only one driving axle - not even with
Posted on Jun 25, 2015
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