BMW K bikes (Bricks)

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1Back to top Go down   oem Alarm Empty oem Alarm Mon Sep 27, 2021 7:41 am

thomo

thomo
active member
active member
Hi Guys 
I have an 1986 K100RS
Ive started my quest to get my bike back on the road 
been sitting for around 6 years 
Last time i had it going after replacing fuel pump & draining fuel & a few other bits was running but needs other works such as new rear brake cylinder 
are there some recommendations for secondhand spares ?
also need some help to remove OEM alarm after installing new battery the horn is constantly going off 
I take it the alarm is causing the problem 
Ive found some topics on the alarm & wondering if anyone has removed the alarm & what they did to remove & what wires had to be reconnected ?
many thanks for your help !

    

2Back to top Go down   oem Alarm Empty Re: oem Alarm Mon Sep 27, 2021 8:46 am

Point-Seven-five

Point-Seven-five
Life time member
Life time member
Welcome!  the master cylinder and fuel pump have reasonably priced replacements available.  For example, a usable rear master cylinder can be had for under $20 dollars and there are fuel pump kits that have the mount and the damper for under $100.  Members here have used them successfully on their bikes.


__________________________________________________
Present:
1994 K75RT
1991 K100RS
1988 K100RS SE

Past:
1994 BMW K75S
1992 BMW K100RS
1982 Honda FT500
1979 Honda XR185
1977 Honda XL125
1974 Honda XL125
1972 OSSA Pioneer 250
1968 Kawasaki 175
    

3Back to top Go down   oem Alarm Empty Re: oem Alarm Mon Sep 27, 2021 10:38 am

Laitch

Laitch
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@thomo wrote:Ive found some topics on the alarm & wondering if anyone has removed the alarm & what they did to remove & what wires had to be reconnected ?
Is the alarm like the one pictured and discussed in this thread ?


__________________________________________________
1995 K75 81,000 miles
oem Alarm Usa-lo10
    

4Back to top Go down   oem Alarm Empty Re: oem Alarm Mon Sep 27, 2021 8:45 pm

MartinW

MartinW
Life time member
Life time member
More info on Gryph's suggestion. Master cylinder http://www.motobrick.com/index.php?topic=9364.msg128997#msg128997  and Fuel pump http://www.motobrick.com/index.php?topic=10054.msg86054#msg86054  Both the master cylinder and fuel pump still performing very satisfactorily.
Regards Martin.


__________________________________________________
K75s Hybrid
    

5Back to top Go down   oem Alarm Empty Re: oem Alarm Tue Sep 28, 2021 2:40 am

thomo

thomo
active member
active member
@Laitch wrote:
@thomo wrote:Ive found some topics on the alarm & wondering if anyone has removed the alarm & what they did to remove & what wires had to be reconnected ?
Is the alarm like the one pictured and discussed in this thread ?
no not that alarm mine has 5 pins & a TUV sticker on it

    

6Back to top Go down   oem Alarm Empty Alarm Tue Sep 28, 2021 3:27 am

daveyson

daveyson
Life time member
Life time member
Dunno but maybe it's normal for the alarm to sound when you disconnect and replace the battery, cause the bike doesn't know if you're the owner or a thief. If you put the key in or turn it, that might turn it off.


__________________________________________________
11/1985 bmw k100rt (late model)  Vin. 0090567
 ~120,000 km
    

7Back to top Go down   oem Alarm Empty Re: oem Alarm Tue Sep 28, 2021 4:52 am

TacKler

TacKler
Life time member
Life time member
If it has a TuV sticker on it, then it has been approved in Germany.  Would this be a Euro Delivery bike, like mine is?


__________________________________________________
Red 1991 K75S
    

8Back to top Go down   oem Alarm Empty Re: oem Alarm Tue Sep 28, 2021 10:11 am

Laitch

Laitch
Life time member
Life time member
@thomo wrote:no not that alarm mine has 5 pins & a TUV sticker on it
Please post some photos of the connectors and the unit itself. Photo posting instructions are in the Forum Functionality section.


__________________________________________________
1995 K75 81,000 miles
oem Alarm Usa-lo10
    

9Back to top Go down   oem Alarm Empty Re: oem Alarm Tue Sep 28, 2021 5:47 pm

thomo

thomo
active member
active member
@daveyson wrote:Dunno but maybe it's normal for the alarm to sound when you disconnect and replace the battery, cause the bike doesn't know if you're the owner or a thief. If you put the key in or turn it, that might turn it off.
I've tried the alarm key doesn't seem to turn alarm off 
I think the internal 4.8v off the alarm is cactus

    

10Back to top Go down   oem Alarm Empty Re: oem Alarm Thu Sep 30, 2021 6:29 am

daveyson

daveyson
Life time member
Life time member
Ay thomo

Does it look like this:
oem Alarm Img_2050

If so I'm gunna guess the button through the lid lifts up when you raise the seat, setting off the alarm. Then you wouldn't be able to turn it off by lowering the seat (or maybe even the key) cause that would make it too easy for a thief. 

If the seat is up when you install the battery, that might be the problem, like maybe you can't turn it off while the seat is up, or turn the key (probably anti clockwise) with the button pressed, or something like that. Maybe connect the battery earth with the seat down.

Dunno if the sound is from the alarm unit or the bike horns, or if the horn works with the alarm removed.


__________________________________________________
11/1985 bmw k100rt (late model)  Vin. 0090567
 ~120,000 km
    

11Back to top Go down   oem Alarm Empty Re: oem Alarm Wed Oct 06, 2021 4:17 am

thomo

thomo
active member
active member
@daveyson wrote:Ay thomo

Does it look like this:
oem Alarm Img_2050

If so I'm gunna guess the button through the lid lifts up when you raise the seat, setting off the alarm. Then you wouldn't be able to turn it off by lowering the seat (or maybe even the key) cause that would make it too easy for a thief. 

If the seat is up when you install the battery, that might be the problem, like maybe you can't turn it off while the seat is up, or turn the key (probably anti clockwise) with the button pressed, or something like that. Maybe connect the battery earth with the seat down.

Dunno if the sound is from the alarm unit or the bike horns, or if the horn works with the alarm removed.
yep thats the one 
not had a chance to look at it lately but will do this week 
i found a charging lead in the tool compartment tried connecting that no luck might see what happens if i put voltage into the internal battery


__________________________________________________
K100RS 1986
    

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