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#1000465 - 11/07/17 11:50 PM 2003 r1100s ABS failure 2x in 4K miles  
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oilhead1100s1150rt Offline
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oilhead1100s1150rt  Offline
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South East PA
Good Day, I have lost a second ABS pump in 4K miles, over 6 years. Dealer wants 3500 to replace. Is it difficult to just get rid of ABS all together? I am told I will not pass PA inspection without ABS as the bike was built with iABS. Very disappointed and struggling with my next step. ABS lights read low level in ABS unit. Dealer says fault readout points to bad pump.

Thoughts? Anyone else have failures this close together?

Thanks...

Last edited by oilhead1100s1150rt; 11/08/17 12:02 AM.
#1000466 - 11/08/17 12:11 AM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: oilhead1100s1150rt]  
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dirtrider Offline
The Oracle
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Ohio
Originally Posted by oilhead1100s1150rt
Good Day, I have lost a second ABS pump in 4K miles, over 6 years. Dealer wants 3500 to replace. Is it difficult to just get rid of ABS all together? I am told I will not pass PA inspection without ABS as the bike was built with iABS. Very disappointed and struggling with my next step. ABS lights read low level in ABS unit. Dealer says fault readout points to bad pump.

Thoughts? Anyone else have failures this close together?

Thanks...


Evening oilhead1100s1150rt

Well, you can remove the ABS system but you will probably lose your speedometer unless you can find a way to retain the current ABS electronics & mask the failure light & relay. (it can be done just not easily).

As far as passing the state test without an active ABS system-- that depends on IF they know that you removed the ABS system, or IF they actually run a rolling road ABS operational test.

They did build the 1100s without an ABS system so unless they look at the vehicle factory build sheet or are a very knowledgeable in BMW motorcycle equipment & model build equipment I doubt they will know that it came with factory ABS.


D.R. ___
Sent from my rotory dial wall phone!
#1000467 - 11/08/17 12:18 AM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: dirtrider]  
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oilhead1100s1150rt Offline
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Thanks DR, does not sound like a good idea and may cause additional issues once removed. There most be a rebuild shop or refurbished outlet some place. There have been many of these failures on iABS. I have searched, but will need to dig even deeper. $3500 a few years ago for my first replacement, now additional $3500, is getting to be too much. My biggest worry is in a few more years, I get ti again. Bike runs very well motor/tranny wise.

#1000468 - 11/08/17 12:24 AM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: oilhead1100s1150rt]  
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dirtrider Offline
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Originally Posted by oilhead1100s1150rt
Thanks DR, does not sound like a good idea and may cause additional issues once removed. There most be a rebuild shop or refurbished outlet some place. There have been many of these failures on iABS. I have searched, but will need to dig even deeper. $3500 a few years ago for my first replacement, now additional $3500, is getting to be too much. My biggest worry is in a few more years, I get ti again. Bike runs very well motor/tranny wise.




Evening oilhead1100s1150rt

Probably the smart move is to POSITIVLY identify the failure then access it's repair potential.

If you can identify the failure you can then call Module Masters & see if they can repair that type I-ABS failure.

Do your servo pumps work or are they dead?


D.R. ___
Sent from my rotory dial wall phone!
#1000470 - 11/08/17 12:57 AM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: dirtrider]  
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oilhead1100s1150rt Offline
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South East PA
DR, the pumps seem to work at this point. They do have an audible, and stopping power appears to be fine. Just the flashing lights saying low fluid. I did call Module Masters, they told me they would have a pump available around Jan 2018 for the iABS module. I understand through various searches, that they have had several delays in their release time for this module. I am thinking it might be worth the wait at this point, they quoted me around $800 - $900 which is 1/3 the price of a new one from BMW. I also have an ABS failure on my 2002 r1150rt. The lights on that bike (same iABS unit) read one circuit in residual mode. This bike slowly did fail. Braking slowly quite and eventually there is just residual mode now. Tech told me that the pump would come on when the key was turned in the ignition. Again, dealership is saying bad pump. So two bikes, two complete pump failures. I am thinking I should be able to get the readouts from the dealership??

Last edited by oilhead1100s1150rt; 11/08/17 01:16 AM.
#1000514 - 11/08/17 11:29 AM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: oilhead1100s1150rt]  
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dirtrider Offline
The Oracle
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Originally Posted by oilhead1100s1150rt
DR, the pumps seem to work at this point. They do have an audible, and stopping power appears to be fine. Just the flashing lights saying low fluid. I did call Module Masters, they told me they would have a pump available around Jan 2018 for the iABS module. I understand through various searches, that they have had several delays in their release time for this module. I am thinking it might be worth the wait at this point, they quoted me around $800 - $900 which is 1/3 the price of a new one from BMW. I also have an ABS failure on my 2002 r1150rt. The lights on that bike (same iABS unit) read one circuit in residual mode. This bike slowly did fail. Braking slowly quite and eventually there is just residual mode now. Tech told me that the pump would come on when the key was turned in the ignition. Again, dealership is saying bad pump. So two bikes, two complete pump failures. I am thinking I should be able to get the readouts from the dealership??


Morning oilhead1100s1150rt

Yes, try to get the failure code read out if possible (that can make the troubleshooting much easier).

Please keep your failure condition to JUST this bike as quoting 2 different bike failures will make it so much more difficult to keep track of what system is doing what.

With your pumps appearing to work that usually says the internal pressure sensors are working (the difficult thing for Module Masters to repair).

So lets get back to this bike -- tell us again EXACTLY what this bike's brakes are doing, when they are doing it, what the dash lights are doing, ANYTHING else for THIS BIKE.

If both pumps are working then it might be something simple that can be repaired at home.


D.R. ___
Sent from my rotory dial wall phone!
#1000566 - 11/09/17 03:22 PM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: oilhead1100s1150rt]  
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oilhead1100s1150rt Offline
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South East PA
2003 r1100sa - Lights read out = low fluid in abs module - per various online service manuals, and shop manual. Brakes feel like they are working individually, front and back both have firm stopping power, with normal pressure applied, from what I can tell. Will be picking up bike early next week, get fault codes, and will re-engage this post then. Will post a separate thread for secondary bike, good point DR, thanks. Stand-bye...

#1000567 - 11/09/17 03:24 PM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: oilhead1100s1150rt]  
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Alan Sykes Offline
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Sorry guys, if you read all the various BMW Oilhead forums, not just this one, you'd know that iABS removal is not at all difficult to do and many, many riders all over the world have done it, most reporting greatly improved braking performance, once the 13kg lump has been ditched.

It was a stoopid idea in the first place by BMW to have linked ABS with a servo whine annoying you every time you touch the lever or pedal and the firm moved on from it in pretty short measure.

However, there's no denying that a 2-wheeler equipped with an efficient modern ABS system, as for example in Honda bikes, is a much safer vehicle to crash-stop than a bike without ABS.

Nichtsdestoweniger, as Frau Quandt would say, the iABS is a pesky fault-prone system and is impossibly expensive to replace on a ten-year-old vehicle. It just doesn't make sense, despite the sterling efforts at refurbishment by firms like RHelektronik.de in the Fatherland, who service, repair and even replace these pesky FHF units every day of the year.

Just go on the web, look for ABS-ectomy or something, and follow the lead of the various videos. Just don't be tempted to cut any wires, as the excellent Chris Harris first did and found he then had no speedo nor brake lights. He was obliged to upload a short correction sequence.

But as I say, rest assured folks, it CAN be done without too much hassle. Even the esteemed MW in Meltham Bridge, Yokkshurr, Blighty, sell the various linking pipe / union bits to bypass the entire gold-durned system.
As for the annual tech-test roadworthiness check, worry not. They just test how good the bike is at stopping. They don't look at the factory-amalgamation data, whichever country you're in, do they ?
ALAN in s.e. Spain


This is a list of the people I'd trust with my bike
#1000568 - 11/09/17 03:31 PM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: Alan Sykes]  
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dirtrider Offline
The Oracle
dirtrider  Offline
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Ohio
Originally Posted by Alan Sykes
Sorry guys, if you read all the various BMW Oilhead forums, not just this one, you'd know that iABS removal is not at all difficult to do and many, many riders all over the world have done it, most reporting greatly improved braking performance, once the 13kg lump has been ditched.

It was a stoopid idea in the first place by BMW to have linked ABS with a servo whine annoying you every time you touch the lever or pedal and the firm moved on from it in pretty short measure.

However, there's no denying that a 2-wheeler equipped with an efficient modern ABS system, as for example in Honda bikes, is a much safer vehicle to crash-stop than a bike without ABS.

Nichtsdestoweniger, as Frau Quandt would say, the iABS is a pesky fault-prone system and is impossibly expensive to replace on a ten-year-old vehicle. It just doesn't make sense, despite the sterling efforts at refurbishment by firms like RHelektronik.de in the Fatherland, who service, repair and even replace these pesky FHF units every day of the year.

Just go on the web, look for ABS-ectomy or something, and follow the lead of the various videos. Just don't be tempted to cut any wires, as the excellent Chris Harris first did and found he then had no speedo nor brake lights. He was obliged to upload a short correction sequence.

But as I say, rest assured folks, it CAN be done without too much hassle . Even the esteemed MW in Meltham Bridge, Yokkshurr, Blighty, sell the various linking pipe / union bits to bypass the entire gold-durned system.
As for the annual tech-test roadworthiness check, worry not. They just test how good the bike is at stopping. They don't look at the factory-amalgamation data, whichever country you're in, do they ?
ALAN in s.e. Spain


Morning Alan

So how do you get a working speedometer without much hassle?


D.R. ___
Sent from my rotory dial wall phone!
#1000580 - 11/09/17 08:21 PM Re: 2003 r1100s ABS failure 2x in 4K miles [Re: oilhead1100s1150rt]  
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oilhead1100s1150rt Offline
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FYI.... Module Masters just told me "check back in a few months".....they are testing the final component .......iABS.

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