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"K12S/KR" Technical Q&A K1200S/R Technical Questions/Answers

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  #1  
Old 09-01-2017, 09:48 PM
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Flashing Brake Failure Lights After Drop: Need Advice

Today I dropped my bike.... first time in over 25 years.. Geezz.. I was pushing the K1200S around in my garage (engine off) when my knee simply gave out and the bike eased down .. and just 3 fucking months from a total knee replacement. Must have been a sign from the gods that it's time.. I've been pushing my luck for a few years now.

Fortunately, it didn't go crashing down.. just a controlled lean down to the floor.. Part of the bike actually ended up against some wooden steps. She only suffered a 2" long scratch on my lower cowling... My ego fared worse...

After the drop I started it up to ride to get a tank of gas (before the price gouging begins)...and the red triangle and the brake failure lights are flashing...They stayed on for my short ride to the gas station and back. Brakes seem to be working just fine.

My question to youz guyz is... Do I need to ride to the dealer to have them reset something to stop the flashing? I know there's nothing wrong with either the front or rear brake as neither touched anything.. or could I be so lucky as to have a simple fix like disconnecting the battery for a while to bring the bike back to the default setting? Thought I'd ask the crowd here before I do anything....

Any advice would be appreciated...
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  #2  
Old 09-02-2017, 02:01 AM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

Does your bike have the old "Servo Assisted Brakes"?
If so, the servo ABS block has a brake fluid level sensor inside.
When a bike falls over, brake fluid can drain out of the ABS via the drain tubes...

You would have to bring it to your dealer to refill and bleed the system.
(Unless you are keen on doing it yourself)

If you have the 2nd gen. ABS (07-08), no clue then.
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  #3  
Old 09-02-2017, 08:40 AM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

I'd check your ABS sensors. They may have been slightly repositioned during the 'lean'.
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  #4  
Old 09-02-2017, 08:44 AM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

as a matter of fact.. yes.. I think my 2006 does have servo assist brakes... They discontinued it in 2007.

and as a matter of fact... after we got the bike back up.. there was some fluid in the floor and we couldn't figure out what it was or where it came from...

You may have nailed my question... Guess I'll take it to the dealer today for an estimate.. God help me.. Thanks for the suggestion...

Quote:
Originally Posted by Patrique83
Does your bike have the old "Servo Assisted Brakes"?
If so, the servo ABS block has a brake fluid level sensor inside.
When a bike falls over, brake fluid can drain out of the ABS via the drain tubes...

You would have to bring it to your dealer to refill and bleed the system.
(Unless you are keen on doing it yourself)

If you have the 2nd gen. ABS (07-08), no clue then.
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  #5  
Old 09-02-2017, 08:45 AM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

that was the first thing I checked... all looks good... thx..

Quote:
Originally Posted by mkrouse
I'd check your ABS sensors. They may have been slightly repositioned during the 'lean'.
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  #6  
Old 09-02-2017, 09:45 AM
ChrisCannin ChrisCannin is offline
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Re: Flashing Brake Failure Lights After Drop: Need Advice

I'll go into my long winded story later.

Go ride the bike can you lock the rear brake up?
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  #7  
Old 09-02-2017, 10:05 AM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

I'll be riding it to the dealership shortly... I'll give it a try.. why?


Quote:
Originally Posted by ChrisCannin
I'll go into my long winded story later.

Go ride the bike can you lock the rear brake up?
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  #8  
Old 09-02-2017, 10:44 AM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

That happened to me with my first '05 K12S... the triangle and all warnings went away the second time I fired up the bike and ran it. The sensors were untouched, and I had it looked at soon after... no issues. Good luck
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  #9  
Old 09-02-2017, 10:51 AM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

What shape is your battery in? Sometimes when the battery isn't quite up to par or long in the tooth, things go squirrelly. Just a thought...
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  #10  
Old 09-02-2017, 11:29 AM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

well.. Just got back from the dealer... Bad news.. and good news....

He plugged it into the magic machine and the code says the brake fluid is low in the ABS pump (just as Patrique83 suggested)... Cost to top off the ABS reservoir and bleed (to clear the flashing lights)... $550... Geezz...

As the brakes are working absolutely perfectly... I asked him what's the downside of NOT topping off the ABS unit and bleeding and just continue riding it... He said everything will work just as before.. I just won't have ABS... Bam..

About to go downstairs now and cover up those flashing lights with electrical tape... Out of sight.. out of mind.. I'm overdue for a service.. I'll wait until then and just do it all at the same time..
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  #11  
Old 09-02-2017, 12:33 PM
ChrisCannin ChrisCannin is offline
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Re: Flashing Brake Failure Lights After Drop: Need Advice

Quote:
Originally Posted by Pirate
I'll be riding it to the dealership shortly... I'll give it a try.. why?

As I learned last year one of the best keep't secrets the ABS unit on the 07/8 have a tendency to go belly with the slightest nudge,the mechanic at my local dealership(who has now left) who I have known for years said 'You'd be amazed at how many we have changed'

I absolutey loved it with no ABS for the first time in 7 years I had control of the bike with completely separate brakes the problem being how risky was it to ride long term sadly I had it fixed
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  #12  
Old 09-02-2017, 12:37 PM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

Quote:
Originally Posted by Pirate
well.. Just got back from the dealer... Bad news.. and good news....

He plugged it into the magic machine and the code says the brake fluid is low in the ABS pump (just as Patrique83 suggested)... Cost to top off the ABS reservoir and bleed (to clear the flashing lights)... $550... Geezz...

As the brakes are working absolutely perfectly... I asked him what's the downside of NOT topping off the ABS unit and bleeding and just continue riding it... He said everything will work just as before.. I just won't have ABS... Bam..

About to go downstairs now and cover up those flashing lights with electrical tape... Out of sight.. out of mind.. I'm overdue for a service.. I'll wait until then and just do it all at the same time..

Damn! That sounds high... I don't remember ever spending that on an annual - roughly half. What you're talking sounds like a four hour job at their shop rates
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  #13  
Old 09-02-2017, 02:09 PM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

No.. he said my service will be $850....but that's the whole shebang.. replace all the fluids.. replace spark plugs (it still has the original).. check valves, etc.. To repair the ABS issue.. $550.. If I do it at the time it will be $50-80 cheaper since they would already have her panties off...

He said the ABS job alone was 1/2 a day labor...

as I've always said.. BMW should stand for Bring My Wallet


Quote:
Originally Posted by kenthegrass
Damn! That sounds high... I don't remember ever spending that on an annual - roughly half. What you're talking sounds like a four hour job at their shop rates
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  #14  
Old 09-02-2017, 02:28 PM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

Fairing left/right/belly fairing..... 0.5 hour
Tank removal.... 3 minutes

ABS bleeding 2 hours incl. preperation.
Brake fluid 1quart (doing it properly).

In total it should take about 3-4 hours maximum.

It takes me around 4 in total..... and that includes
bleeding the control circuits, not just the main pressure circuit.

So, your dealer estimate is about right in time/money
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Old 09-02-2017, 04:21 PM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

Quote:
Originally Posted by Pirate
well.. Just got back from the dealer... Bad news.. and good news....

He plugged it into the magic machine and the code says the brake fluid is low in the ABS pump (just as Patrique83 suggested)... Cost to top off the ABS reservoir and bleed (to clear the flashing lights)... $550... Geezz...

As the brakes are working absolutely perfectly... I asked him what's the downside of NOT topping off the ABS unit and bleeding and just continue riding it... He said everything will work just as before.. I just won't have ABS... Bam..

About to go downstairs now and cover up those flashing lights with electrical tape... Out of sight.. out of mind.. I'm overdue for a service.. I'll wait until then and just do it all at the same time..

Different bike but I have not had ABS for over 80,000 miles. I got used to it real fast and it's a hoot to lock the rear. I know I know but I'm not spending the cash on this old pig. I do love my pig.
I've got the GPS positioned just perfectly so that it blocks the red flashing light.
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  #16  
Old 09-02-2017, 06:59 PM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

Quote:
Originally Posted by Pirate
No.. he said my service will be $850....but that's the whole shebang.. replace all the fluids.. replace spark plugs (it still has the original).. check valves, etc.. To repair the ABS issue.. $550.. If I do it at the time it will be $50-80 cheaper since they would already have her panties off...

He said the ABS job alone was 1/2 a day labor...

as I've always said.. BMW should stand for Bring My Wallet

Ouch!

But if you roll the service into that 18k, it's not so bad...
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'04 Ducati 999 - traded
'07 R1200 GS - sold
'99 R1100 S - traded
'05 K12 S - traded
'11 K13 S Magma Red - traded
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'16 K13 S MotorSport
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  #17  
Old 09-02-2017, 08:53 PM
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Re: Flashing Brake Failure Lights After Drop: Need Advice

Quote:
Originally Posted by Pirate
Cost to top off the ABS reservoir and bleed (to clear the flashing lights)... $550... Geezz...

..

When we had the 03 K1200RS with servo brakes, the shop would charge me 1.5 hours labor to change fluid in the ABS unit.
I would do the wheel circuit myself, which does not take long and remove the tupperware before taking the bike to the shop. They would give me a 1/2 hour discount for bringing in the bikes without the tupperware.
I don't think the ABS brake fluid change would be much different for the K1200S.
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