Disabling the alarm system - BMW Luxury Touring Community
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post #1 of 41 Old Feb 16th, 2018, 5:45 pm Thread Starter
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Disabling the alarm system

If I disable the alarm on my 2009 LT by jumping pins 3&11 and 6&10, will the fob still lock-unlock the bags?
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post #2 of 41 Old Feb 17th, 2018, 3:18 pm
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Re: Disabling the alarm system

No because the alarm is the unit that does that job and in order to bypass it you must unplug the 12 pin connector. You also need to add pin 2 (green wire) to the pin 6 & 10 jumper as that will enable the turn signal to operate.

I suppose you could leave the alarm hooked up and jumper the wires - it may still work as I have never tried it on an 05. In any case when the alarm does fail (the only reason to bypass in my book) you will also lose the central locking function.

I did rig up a cable and toggle switch to perform the bypass on a 2003 alarm that left the alarm intact until you threw the switch and it seemed to work OK. The 09 routes the power to the flashers through the alarm so I don't know if that will cause a problem.

John
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post #3 of 41 Old Feb 17th, 2018, 3:45 pm Thread Starter
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Re: Disabling the alarm system

Thanks John for the info. I didn't add pin 2 into 6&10. The turn signals work OK. Also, I have my 12 pin connector still plugged in. It would not start so that is why I jumped 3&11 and 6&10.
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post #4 of 41 Old Feb 18th, 2018, 11:51 am
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Re: Disabling the alarm system

OK sounds like it reverted to immobilizer "ON". Since the alarm is still plugged it the flasher is getting power and I presume your central locking is also still working. Is the red light on that is on the right side of the dash? If so that means immobilizer is on. See if it goes off with the key on and a press of the smooth button on the FOB. If it goes out the alarm is still working just fine it just needs to be programmed for immobilizer "OFF".

I'll delete your other alarm post.

John
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post #5 of 41 Old Apr 16th, 2018, 8:30 am
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Re: Disabling the alarm system

Thanks John. My 06' brake lights went out a month ago, and I did the 3 to 11 and 6 to 10 jumps you posted years ago. So brakes work now, but the turn signals and flashers are out. So I see above you recommend adding 2 to the 6/10 jump. Will try that. You know, I never used the alarm or the electric locking system. Don't care about either one, just want the signals and flashers to work. Thanks so much for your invaluable information.

Les
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post #6 of 41 Old Apr 22nd, 2018, 12:05 pm
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Re: Disabling the alarm system

Anybody in the San Diego county area familiar with the disable procedure described here and will to come up to Escondido? I have tried everything and the 2002 K1200LT still wont start.
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post #7 of 41 Old Apr 22nd, 2018, 6:22 pm
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Re: Disabling the alarm system

John, I did jump 2 to the 6/10 wires, and now the flasher work. But the bike won't start.
The brakes lights and flashers work with or without the 12 pin connected into its harness. I removed the whole alarm system, and the brakes and flashers still work, but the bike simply won't start. Now I'm stuck.

Can someone please help?
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post #8 of 41 Old Apr 22nd, 2018, 6:24 pm
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Re: Disabling the alarm system

By the way, my bike is an 06' model. There are other posts out there but many of them concern 05' bikes and older. Now I'm really confused.
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post #9 of 41 Old Apr 22nd, 2018, 7:41 pm
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Re: Disabling the alarm system

OK there is no difference in the 05 to 09 bikes. Pin 3 to 11 gets the starter signal restored and 6 to 10 powers the engine electronics relay. The alarm interrupts both of these as part of the immobilizer. Re check the 3 to 11 connection as you might have bumped it when you added 2 to the 6/10 connection. Also make sure your battery is fully charged.

John
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post #10 of 41 Old Apr 24th, 2018, 7:04 pm
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Re: Disabling the alarm system

Thanks John for your reply. I will recheck the connections this weekend, as I'm working all week long. The engine did start before I jumped #2 wire, so that must be it. I did remove, however, the whole alarm system as it was just taking up space.
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post #11 of 41 Old Apr 25th, 2018, 5:02 pm
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Re: Disabling the alarm system

Another neat way to jump if you are removing the alarm is cut the 12 pin off the alarm and do the jumpers on it (the wire colors are different on the plug so make sure you jump the correct pins). Then it just plugs in. I carry one in my saddle bag in case mine fails, all I have to do is pull the top case and unplug my alarm and plug that connector on.

John
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post #12 of 41 Old Apr 28th, 2018, 5:06 pm
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Re: Disabling the alarm system

John, the bike starts and everything works. I had to connect one of the large-twist type connectors under the rear seat. That done, the bike fired up right away.

Thanks for your help. Could not have done it with your assistance and the internet.

I never once used the alarm and it crapped out. Can't imagine what a dealer would have charged to fix this problem! A simple fix if you know what to do.

Thanks again!
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post #13 of 41 Old Apr 28th, 2018, 5:20 pm
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Re: Disabling the alarm system

If you did the jumps of the wires, 3-11 and 2-6-10, then make sure the large twist-on connectors under the rear seat are plugged in. When I connected them, the bike started up. Good luck.
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post #14 of 41 Old Apr 29th, 2018, 8:00 am
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Re: Disabling the alarm system

There are only two of those large twist type that need to be removed to get the trunk off, but there are three of them under the seat. That often confuses people but the third one is a disconnect for the reverser controller, and of course, the starter signal goes through that connector. I'll have to remember to mention that in my instructions.

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post #15 of 41 Old Aug 12th, 2018, 7:30 pm
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Re: Disabling the alarm system

Sorry to revive an old thread, but I was wondering about the original question: Can the central locking feature be made to work while still bypassing the alarms immobilizer feature? What if instead of opening the barrel plug and jumping the wires we snipped and connected them instead? That way the alarm would still have power to control the flashers, central locks, etc. without the ability to prevent the bike from starting?
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post #16 of 41 Old Aug 12th, 2018, 8:47 pm
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Re: Disabling the alarm system

If the alarm is being bypassed it is due to alarm failure. If the alarm is dead nothing will work and you must bypass it.

The immobilizer is a mode of the alarm along with the central locking. You can program the immobilizer to be off if the alarm is working and continue to use central locking and arming the alarm.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
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But lack DE, MA, RI and CT with the 2005 LT

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post #17 of 41 Old Aug 13th, 2018, 7:11 am
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Quote:
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If the alarm is being bypassed it is due to alarm failure. If the alarm is dead nothing will work and you must bypass it.

The immobilizer is a mode of the alarm along with the central locking. You can program the immobilizer to be off if the alarm is working and continue to use central locking and arming the alarm.
Ah, I see. There is no grey area with the alarm. It's either good or dead. Thanks.
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post #18 of 41 Old Aug 13th, 2018, 2:15 pm
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Re: Disabling the alarm system

Yes the thing that kills the alarm is the internal (non-replaceable) battery. It either dies or shorts out causing fuse F4 to blow. Then you have to replace or bypass. That is the only known failure mode for the alarm I have seen in the last 14 years.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
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But lack DE, MA, RI and CT with the 2005 LT

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post #19 of 41 Old Sep 4th, 2018, 10:38 am
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Re: Disabling the alarm system

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Originally Posted by jzeiler View Post
Yes the thing that kills the alarm is the internal (non-replaceable) battery. It either dies or shorts out causing fuse F4 to blow. Then you have to replace or bypass. That is the only known failure mode for the alarm I have seen in the last 14 years.
John, a quick search brought me to this discussion, which is what you were telling me recently when you were here in Ohio. As you noted on our ride to Roscoe Village, my brake lights do not work. It's a good thing you were there because I did not know that! Obviously I'm not doing my T-CLOCS inspection like I should.

In any event, thank you for this information. This kind of fix -- while relatively simple for those with the skill and knowledge -- is not my cup of tea so I will be looking for someone to bypass the alarm on my '09 K1200LT. It's a shame the central locking function can not be retained but short of replacing the alarm module regaining brake lights is a good compromise.

Howard Schisler
2015 BMW K1600GTL
2009 BMW K1200LT - 60k miles
2012 BMW F650GS (sold)
2005 BMW K1200LT - "Gray Ghost", traded at 120k miles
2005 Honda Shadow 650 (sold)
AMA, IBA, BMW MOA. CCRs: Braselton 2006, Osage Beach 2007, Duluth 2012


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post #20 of 41 Old Sep 4th, 2018, 6:44 pm
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Re: Disabling the alarm system

Yes Howard this thread has all the info he will need. The central locking could be restored and controlled by a hidden switch. That would be easy to hook up but no remote. I will work up a schematic for use here and the only additional hard ware you would need is a DPDT center off momentary switch to hide on the bike to send the juice to the servos. A good place to hide the switch would be behind the rear of the pillion seat and mount the switch to the cover plate over where the alarm resides.
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John
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2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
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post #21 of 41 Old Sep 4th, 2018, 9:00 pm
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Yes Howard this thread has all the info he will need. The central locking could be restored and controlled by a hidden switch. That would be easy to hook up but no remote. I will work up a schematic for use here and the only additional hard ware you would need is a DPDT center off momentary switch to hide on the bike to send the juice to the servos. A good place to hide the switch would be behind the rear of the pillion seat and mount the switch to the cover plate over where the alarm resides.
What about splicing in a universal central locking system. They are cheap, like $20 with a couple remote fobs. Here's a cheap one from Wal-Mart
https://www.walmart.com/ip/EECOO-Car...&wl13=&veh=sem
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post #22 of 41 Old Sep 5th, 2018, 9:29 am
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Re: Disabling the alarm system

It is but you would have to toss the servos. Also it adds a 10 ma static draw all the time. I don't know what part the alarm contributes but the normal static draw on an 05 LT is 5 ma. Assuming the alarm is half that it still would give draw of 12.5 ma which is a 9 amp hour draw down on a 19 amp hour battery in 30 days. Not sure I want that.

But having said all that it should work if some one has to bypass the alarm and wants to retain a wireless CL system.

Here is the schematic for a switch based install following an alarm bypass. You could splice in the servo output signal from the Walmart unit into points A and B instead of the switch.
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Last edited by jzeiler; Sep 5th, 2018 at 9:36 am.
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post #23 of 41 Old Sep 7th, 2018, 6:34 am
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Re: Disabling the alarm system

John, I see Benton's post about parting out his K1200LT. Rather than bypass the alarm, is it a viable option to install a used alarm module? Of course the downside might be: no way to tell how long that used alarm's internal battery will last!

I'm not a huge fan of the alarm (I have used it but I don't care if that feature goes away) but I do like the central locking feature; getting a used alarm module seems like potentially an easier/more complete option than bypassing it, and cheaper than buying a new alarm. How easy is it to remove and replace?

Howard Schisler
2015 BMW K1600GTL
2009 BMW K1200LT - 60k miles
2012 BMW F650GS (sold)
2005 BMW K1200LT - "Gray Ghost", traded at 120k miles
2005 Honda Shadow 650 (sold)
AMA, IBA, BMW MOA. CCRs: Braselton 2006, Osage Beach 2007, Duluth 2012


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post #24 of 41 Old Sep 7th, 2018, 11:07 am
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Re: Disabling the alarm system

It is easier than bypassing as it all just plugs in. Only down side is does he still have the alarm code card and both FOBs? With out the code card it would be hard to sync your FOBs up to it.

Dave Selvig is headed there this week end so he may be able to pick it up for you.

John
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2006 Bushtec Turbo+2 Spell
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post #25 of 41 Old Sep 7th, 2018, 11:59 am
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Re: Disabling the alarm system

Why is it impossible to replace the battery? Even welded plastic cases can be opened! If it went in, it can come out.

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post #26 of 41 Old Sep 7th, 2018, 1:30 pm
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Why is it impossible to replace the battery? Even welded plastic cases can be opened! If it went in, it can come out.
Exactly what I was wondering.
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post #27 of 41 Old Sep 7th, 2018, 3:14 pm
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Re: Disabling the alarm system

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Originally Posted by Scimitar View Post
Why is it impossible to replace the battery? Even welded plastic cases can be opened! If it went in, it can come out.
In an earlier post, John (JZEILER) has posted many photos where you can see you have to destroy the unit to get to the embedded battery (in epoxy and/or plastic)

At the moment, I cannot find this specific earlier post with photos, but it is here somewhere in the same forum...

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K1200RS (2002 IceBlue/Red - 95,000 miles)
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post #28 of 41 Old Sep 7th, 2018, 7:18 pm
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post #29 of 41 Old Sep 8th, 2018, 9:06 am
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Re: Disabling the alarm system

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Why is it impossible to replace the battery? Even welded plastic cases can be opened! If it went in, it can come out.
I agree except for the brains at BMW decided to pot the damn alarm.

John
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2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
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But lack DE, MA, RI and CT with the 2005 LT

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post #30 of 41 Old Sep 9th, 2018, 9:23 am
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Re: Disabling the alarm system

Fairy snuff. Encapsulation is a bit more of a challenge as is obvious. Lots of practice with faulty units maybe, trying to grind out the potting in just the right place. That having been said, I find alarm systems to be nothing but a pain in the bum, so unlikely that I would bother and actually be pleased to bypass it.

It only came to mind because I have a problem with a Ford car ABS controller that is sealed but not potted. It is apparently possible to use a hole saw in just the right place to expose the PCB connections that go o/c.
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post #31 of 41 Old Sep 11th, 2018, 10:46 am
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Re: Disabling the alarm system

Last night a friend with electrical skills came over to resolve my failed alarm problem. I had the bike ready for him -- top case, plastic platform, and rear seat were removed, which exposed a mouse nest that filled the entire area beneath and around the alarm module. The mouse used paper towels that were in my shop, the dryer sheets meant to deter mice infestation (!) and a shed snake skin he found somewhere in the shop.

The alarm unit is gone; we jumped the 3/11 and 2/6/10 wires as described here and now the brake lights have been restored. The only function that is gone that I will miss is central locking but I can live without that.

John, thank you for sharing your knowledge on this site.

I may look into replacing the alarm module with a new or used unit. Not a high priority.

One more thing -- We were all done with the wiring changes and before we wrapped everything up nice and pretty we tested the lights. Everything worked except brakes - still not working. We double-checked the jumped wires, made sure the connections were solid, etc., etc. We thought about it for a minute. THE FUSE. We had not replaced the blown fuse. Sheesh. Did that, and brake lights worked.

Howard Schisler
2015 BMW K1600GTL
2009 BMW K1200LT - 60k miles
2012 BMW F650GS (sold)
2005 BMW K1200LT - "Gray Ghost", traded at 120k miles
2005 Honda Shadow 650 (sold)
AMA, IBA, BMW MOA. CCRs: Braselton 2006, Osage Beach 2007, Duluth 2012


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post #32 of 41 Old Sep 11th, 2018, 5:49 pm
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Re: Disabling the alarm system

Glad to hear it all worked out for you.

John
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2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
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But lack DE, MA, RI and CT with the 2005 LT

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post #33 of 41 Old Nov 12th, 2018, 10:37 pm
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Re: Disabling the alarm system

John, did you get your bike started??? Just read your April post. Iím in vista... sound like Iím having a similar problem.
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post #34 of 41 Old Feb 18th, 2019, 7:26 pm
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Re: Disabling the alarm system

have an '07 and my alarm seems to have immobilized the bike. Does anyone have pics of the jumpers used at the 12 pin connector. Looking for the best option before I ruin it.
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post #35 of 41 Old Mar 16th, 2019, 1:16 pm
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Re: Disabling the alarm system

I was hoping to remove the battery out of the alarm when I started reading this thread, though that's not an option now. Shgame about that as like the central locking as guarantee I would leave a case unlocked at some point.
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post #36 of 41 Old Jun 12th, 2019, 7:59 am
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Re: Disabling the alarm system

Hi all, I have had a similar problem with 2002 LT, I have followed the bypass instructions I have found amongst you knowledgeable people.

I have put together the two pairs of wires successfully, I believe. Being UK I haven't added the third for indicators.

Installed new battery, now my problem is intermittent starting on the button she just won't turn over properly, flick kill switched couple of times and it will turn over when it decides on the button but not able to keep it turning over with the start button.


Back story, was stored, as I broke my arm, with an optimiser attached on the battery. Needed to move it to get something out from the shed, put the key in turn it on and soon as power came on she turned over by herself till I turned the key off, back on starts turning over and then I noticed the smell of burning, eventually get into the alarm and it's fried. So I found you all and removed alarm and jumped applicable cables.

Just not sure what to do next, all other electrics are working, I did have to replace one 15amp fuse in the right side holder.

Any suggestions of what I can do next.

Thanks PD

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post #37 of 41 Old Jun 12th, 2019, 12:30 pm
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Re: Disabling the alarm system

Yes that one 15 amp fuse was for the alarm, horn and brake lights and the fried alarm made it blow. If you did the jumpers (the third wire is for 2004 facelift models) and it is still flaky it could be the starter relay especially if it is the old black one as they tend to weld contacts with a low battery start attempt. Once welded and broken free they are a bit flaky. BMW has a retrofit, voltage sensitive, relay that can be installed.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #38 of 41 Old Jun 12th, 2019, 2:42 pm
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Re: Disabling the alarm system

Many thanks Jzeiler, I will see if I can get one from a local dealer, I'm hoping it's fairly straightforward to replace.

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post #39 of 41 Old Jun 12th, 2019, 8:50 pm
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Location: Hazel Green, AL, USA
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Re: Disabling the alarm system

The instructions are available on the Max BMW parts Fiche. Look here .

Ouch the price is up to $229. If that is too steep many have used a Ford relay driven by the original starter relay to power the starter all in for less than $20. If that interests you.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #40 of 41 Old Jun 15th, 2019, 5:45 am
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Re: Disabling the alarm system

Jzeiler, I appreciate the help having not work on one before, I have managed to get a blue relay which arrived this morning but it hasn't got the harness part with it unfortunately.

The dealer couldn't find that part so I don't have any instructions for the relay terminals.
299 is a definite ouch.
Will keep searching before I have to submit to that one.

Many thanks Pd

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post #41 of 41 Old Jun 15th, 2019, 6:17 pm
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Re: Disabling the alarm system

That is a shame as the dealer should have ordered PN 61 35 7 663 945 which is the retrofit kit (relay and harness). It appears they only ordered PN 61 35 7 655 540 which is just the relay. I would go back and tell them, you need the retrofit kit.
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John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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jzeiler is offline  
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