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Author Topic: 2007 R1200 GS ABS pump failure  (Read 4579 times)

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Offline Bull Grackle

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2007 R1200 GS ABS pump failure
« on: October 08, 2011, 06:16:37 am »
The situation: a steady ABS failure light followed by an unsuccessful attempt to clear the "fault code" by a technician at Hamman's in Cape Town. The answer: replace the ABS pump. The problem: R18 000 for a new pump plus R2 000 to install. Obvious possible solutions: a used or rebuilt pump sourced in SA, a new, used or rebuilt pump sourced from the USA/UK. Questions: can the pump be rebuilt? Is this pump used by more than one model or more than one model year?

The BMW technician said he has seen several 2007 GS's with failed ABS pumps recently. The number of kilometres on the affected machines varies widely so it seems to be more a matter of age than use. That seems odd to me.

Any comments or suggestions (other than change brands)?
 

Offline GUSMAN

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Re: 2007 R1200 GS ABS pump failure
« Reply #1 on: October 08, 2011, 06:33:37 am »
Try a shop up in JHB by the name ACME he purchases all the accident write offs and strips for spares, he will ship to you and a nice guy to deal with.
 

Offline Bull Grackle

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Re: 2007 R1200 GS ABS pump failure
« Reply #2 on: October 08, 2011, 05:19:29 pm »
Thanks, I'll chase him down.  BG
 

Offline Heimer

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Re: 2007 R1200 GS ABS pump failure
« Reply #3 on: October 08, 2011, 07:40:17 pm »
Oh sh*t - I have a 2007 GS  :patch:

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« Last Edit: October 08, 2011, 07:41:04 pm by Heimer »

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Offline Bull Grackle

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Re: 2007 R1200 GS ABS pump failure
« Reply #4 on: October 08, 2011, 08:51:23 pm »
I wouldn't worry about it. I rode two BMW's for a total of 15 years and lots of miles and never had a problem with the ABS systems until this one. That includes one spectacular crash (and extensive rebuild) and a number of unscheduled get-off's. But if you do have a 2007 1200 GS just be aware that the brake modulator unit along with the ABS pump could fail. I spend most of my time on gravel roads where the ABS is of questionable utility anyway. So if it takes me a while to source a pump on the cheap at least the bike won't be spending a lot time in the barn waiting for rich Uncle Jasper to die and leave me enough to pay BMW SA R18 000 for a R3500 part. Thanks for the ACME guy's name and phone numbers. BG
 

Offline Bull Grackle

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Re: 2007 R1200 GS ABS pump failure yet another chapter
« Reply #5 on: July 19, 2012, 09:12:54 am »
I have written a couple of posts regarding the failure of the ABS module on my 2007GS. In the process of researching an alternative to spending R18 000 plus labour with a BMW dealer to replace it I discovered a shop in the US that specialises in the repair of ABS modules for automobiles and trucks. They have been experimenting with BMW motorcycle brake modules as well. Below are two letters from a technician who has been directly involved. If there is anyone in South Africa who is competent to do this type of work the WD BMW owners need to find out who, where and at what cost. I'll be the guinea pig if the search is successful.

"Thought you might like an update on the ABS4/iABS2 modules.  We've had a few on the bench and verified the brush problem.  The brushes are in fact swelling in the brush holder causing the motor to eventually go open and not run.  This issue is responsible for the "Power to supply pump motor faulty" error code.  There is another issue with some of these modules that is an unrepairable fault.  A "No response from controller" code usually indicates a bad module.  After having one on the bench, I've found that the module seems to be in a constantly resetting state.  Hope this info is useful to you!"

Tyler

Module Master / Circuit Solutions
208.892.0764
www.modulemaster.com
2006 S Main
Moscow, ID  83843


"Found out something interesting today.  I spoke with someone from a BMW shop today and he passed along a service bulletin pertaining to iABSII.  It looks like the low pump motor voltages are a result of the motor brushes breaking apart (No fault of the processor).  He's going to send me a few spare modules to do some testing on.  If you would like to check back in the following weeks I'd be happy to update you on the progress of the repair."

Best regards,

Tyler
 
 

Offline lecap

Re: 2007 R1200 GS ABS pump failure
« Reply #6 on: July 19, 2012, 09:30:24 am »
...
Any comments or suggestions (other than change brands)?
Remove ABS & dispose of in the rubbish bin? :peepwall:
"If you think it's expensive to hire a professional to do the job, wait until you hire an amateur." (Red Adair)
 

Offline Bull Grackle

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Re: 2007 R1200 GS ABS pump failure
« Reply #7 on: July 19, 2012, 08:19:22 pm »
Believe me, if I could, I would.
 

Offline buzzlightyear

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Re: 2007 R1200 GS ABS pump failure
« Reply #8 on: July 19, 2012, 08:23:41 pm »
There is a guy here in Ct that works on ABS, airbag controllers etc basically car electronics fundi. Combined Electronics is the name. Maybe he works on bikes as well?
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Offline lecap

Re: 2007 R1200 GS ABS pump failure
« Reply #9 on: July 20, 2012, 08:38:15 am »
Believe me, if I could, I would.

Stupid question (?): Why can't you?
"If you think it's expensive to hire a professional to do the job, wait until you hire an amateur." (Red Adair)
 

Offline Bull Grackle

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Re: 2007 R1200 GS ABS pump failure
« Reply #10 on: July 23, 2012, 07:32:50 pm »
If someone out there knows how to re-plumb my brake system thereby eliminating the ABS module I would like to hear from them. On the other hand, I can simply continue to ride with an inoperative ABS system like a lot of other folks do. Unfortunately, I have a phobia about owning a piece of machinery on which something doesn't work whether that something is a critical system or not. Especially if that machine is an expensive recreational bauble. Grrrrrrrrrrr.   
 

Offline lecap

Re: 2007 R1200 GS ABS pump failure
« Reply #11 on: July 24, 2012, 08:58:34 am »
Since the ABS is still an optional feature it should not cause any canbus chaos if you remove the pressure modulators.

Hydraulically you only need new brake hoses.

Then you have a non ABS R1200GS
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Offline Freak

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Re: 2007 R1200 GS ABS pump failure
« Reply #12 on: July 30, 2012, 09:00:31 am »
I've never owned a 1200 , but a mate of mine is pulling his hair out with his 2007 GS with ABS issue. After short search I found this thread. 
He says the BMW fault code is to do with "under voltage" and basically as described above, dealers suggested new abs pump. Ouch. 
Is the problem not perhaps smaller than anticipated? I see many here mention the brushes. If so, surely most ABS guru's ( even automobile ones) can take a stab at it? 
The thing is busted as is anyway.. So what's to lose? 
I'll keep an eye on this thread to see if anyone makes progress. 
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Offline Eisbein

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Re: 2007 R1200 GS ABS pump failure
« Reply #13 on: July 30, 2012, 09:05:16 am »
Since the ABS is still an optional feature it should not cause any canbus chaos if you remove the pressure modulators.

Hydraulically you only need new brake hoses.

Then you have a non ABS R1200GS

The 1150 worked like that.
The 1200 had a differently programmed computer with ABS or no ABS.

So you can't just take out the ABS without the computer screaming at you.

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Offline Bull Grackle

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Re: 2007 R1200 GS ABS pump failure
« Reply #14 on: August 01, 2012, 08:39:44 pm »
Re LeCap's suggestion and Eisbein's ripost: great idea on the one hand quashed by an inconvenient reality on the other. Thanks for the feedback.
 

Offline gorra

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Re: 2007 R1200 GS ABS pump failure
« Reply #15 on: August 22, 2012, 05:30:49 pm »
Hi I also have 1200gs 2007 with more or less the same problem however the abs ight comes on and then goes off again this does not happen every time I can ride the bike and it will be fine then comes on again then I switch off the bike and gone is the problemm when I switch the bike on I can hear the abs pmp activate I have recently put in a new battery please give me yor opinion thanks
 

Offline punisher

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Re: 2007 R1200 GS ABS pump failure
« Reply #16 on: August 22, 2012, 06:04:51 pm »
 O0
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Offline Bull Grackle

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Re: 2007 R1200 GS ABS pump failure
« Reply #17 on: August 30, 2012, 10:18:10 pm »
Gorra, there are lots of Dogs far more qualified than me to comment on your situation. That said, the easy answer is a weak battery but you seem to have eliminated that with a new one. It sounds like your situation is more of an interment problem wherein your ABS pump works but your light comes and goes unpredictably. Next time you are out and about and in the clear grab a handful of brakes. Either the wheels will lock or they won't. If they don't then you have a harmless ghost in the system. If they do lock up your ABS pump motor isn't getting any juice. But since you hear the pump activate from time to time you may have a periodic interruption of power to the pump. Grab the brakes several times during several rides and if they lock sometimes and sometimes not then it may be a power supply problem external to the ABS module. I hope so because that should be relatively easy to troubleshoot and inexpensive to fix. However, when it comes to BMW motorcycle ABS systems there are seldom simple or inexpensive answers.   
 

Offline Fr3dd13

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Re: 2007 R1200 GS ABS pump failure
« Reply #18 on: March 15, 2013, 11:37:44 am »
Ok, I have a strange problem with mine.  It is also a 2007 Adventure.  The abs passes the self test everytime I start up.  While it is cool outside, no problem.  Sometimes I can ride for 2 hours or more without any problems, but then the abs light comes on and the abs does not work.  (I locked the back wheel to check)  It always happens when it is really hot out, and I have been using the brakes a bit, like when lane splitting for instance.  When the light is on when I stop, and I cycle the ignition, it will sometimes pass the self test, and all will be well again.  But on the instances when I cycle the ignition, and the light won't go out, I just leave it for half an hour or so.  It then works perfectly again.  Any ideas, as I am truly stumped.

The techs at Donford said that the pump is faulty, and needs replacing, but I don't think so.  I think that a pump being busted will not pass the self diagnosis at startup.  This definitely looks like heat.
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Offline Just_Plain_Dan

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Re: 2007 R1200 GS ABS pump failure
« Reply #19 on: March 15, 2013, 12:04:38 pm »
Have you tried a complete brake system flush with a fresh bottle of brake fluid?
My neighbours '07 also had the ABS fail intermittently. Eventually it wouldnt engage any more.

Bmw told him R20K

He did a proper flush of the system and everything is working as it should again for the last 5000km