BMW K bikes (Bricks)

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1Back to top Go down   Aftermarket Gauges Empty Aftermarket Gauges on Wed Oct 07, 2015 6:29 pm

JaseYPK

JaseYPK
Silver member
Silver member
So from my reading on here and elsewhere, I've come to the conclusion that a new sensor for an aftermarket speedo is required. I don't want to, but i've accepted that.

I've assumed I'll be able to, and am willing to trial making warning lights using existing circuitry and a little chopping and chasing. Progress will be detailed in my build thread.

So my main question is (assuming no one has any major contradiction to my above two comments), how do I wire in an aftermarket RPM gauge, either digital or with analogue needle? I haven't decided on the style I'd like yet, and I guess the answer to this question could dictate that.

Is there a fitted sensor that is compatible, or is it a case of adding another sensor to the gearbox or such like?

Many thanks in advance!
Jase


__________________________________________________
1984 K100 RS - The Project!
    

2Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Wed Oct 07, 2015 9:03 pm

rapt

rapt
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active member
If you use an Acewell 2853 for the RPM you can either connect the wire to the existing (Black Blue) wire feeding the speedo for RMP. Or run the wire down to the ignition coil and take a few turns around it. I suspect other digital gauges will be similar but have not really looked. 

Acelwell
https://s38.photobucket.com/user/green_bread/media/AcewellTachWiring.jpg.html

You can also get most of the warning lights working, Oil, water, indicators, high beam. The only weird one with the Acewell is the fuel gauge. It will read empty until your fuel light would usually go on then it will read full so you still get some sort of indication.

    

3Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Wed Oct 07, 2015 10:16 pm

robmack

robmack
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What are you trying to get working?  Is it the speedometer using the BMW speed sensor?  Or is it the tachometer using the tach signal from the coils?  

If the  former, the OEM sensor will not work. Acewell supplies a magnetic sensor that attaches to the front wheel that will give you a functioning speedometer.  If it is the latter, rapt gave the answer above.

The fuel level sender can be modified to work with Japanese style fuel gauges.  Search for "Messing with the Fuel sender" in this site for details.

Most of the indicators are straight foward - turn signals, high beam, oil pressure, over temperature, choke, BMU.  Neutral light requires you to build an additional relay circuit to function though.


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

4Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Thu Oct 08, 2015 2:04 pm

JaseYPK

JaseYPK
Silver member
Silver member
I knew about the speedo issue, and now I know how to go about getting the rest tapped in. 

Thanks guys! My main concern was the rpm gauge!

Cheers

Edit: that ace well gauge has been updated to this model: http://www.acewell.co.uk/Acewell%20Speedometers/ACE-2xxx/ACE-2856+Plastic_case.htm?action=full&id=18

At the bottom of the page is a speed sensor option, which one would be appropriate for my bike?
Thanks



Last edited by JaseYPK on Thu Oct 08, 2015 2:46 pm; edited 1 time in total (Reason for editing : Adding new acewell gauge link)


__________________________________________________
1984 K100 RS - The Project!
    

5Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Thu Oct 08, 2015 3:07 pm

JaseYPK

JaseYPK
Silver member
Silver member


__________________________________________________
1984 K100 RS - The Project!
    

6Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Sun Oct 11, 2015 3:58 am

rapt

rapt
active member
active member
@JaseYPK wrote:I knew about the speedo issue, and now I know how to go about getting the rest tapped in. 

Thanks guys! My main concern was the rpm gauge!

Cheers

Edit: that ace well gauge has been updated to this model: http://www.acewell.co.uk/Acewell%20Speedometers/ACE-2xxx/ACE-2856+Plastic_case.htm?action=full&id=18

At the bottom of the page is a speed sensor option, which one would be appropriate for my bike?
Thanks


Go for the Plastic reed switch. 
See post number 6 on my build for a really simple bracket for this type of sensor.
https://www.k100-forum.com/t9009-rapt-s-1986-k100

    

7Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Sun Oct 11, 2015 6:17 am

JaseYPK

JaseYPK
Silver member
Silver member
Awesome thanks, had a look at your build thread and your bikes looking sweet!!!


__________________________________________________
1984 K100 RS - The Project!
    

8Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Sat Dec 05, 2015 8:03 pm

ekdave

ekdave
active member
active member
anyone have a simple wiring diagam for acewell guauge to suit k100 85  im looking for a diagram that tells me which wire on bike loom does what function 

i also have a long earth strap metal with3 connections points i assume mid point goes to frame earth but where do the other ends connect 
thanks David

    

9Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Sat Dec 05, 2015 8:40 pm

Chocolate

Chocolate
Life time member
Life time member
Try this, sorry only in geman language,
but in the end the lines are right :-)

Cheers

Aftermarket Gauges BEB2.0_Schema


__________________________________________________
Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

10Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Sat Dec 05, 2015 8:43 pm

robmack

robmack
Life time member
Life time member
Click on the image to see the forum post:

Aftermarket Gauges Acewell-2853_bmw-k100_wiring


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

11Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Sat Dec 05, 2015 9:24 pm

robmack

robmack
Life time member
Life time member
Espresso, Is that the schematic for Maru's Brotbox v2.0 from FlyingBrick.de??


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

12Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Sat Dec 05, 2015 9:30 pm

Chocolate

Chocolate
Life time member
Life time member
Hello Robert!

Indeed, it is from Maru Swiss Page.
This is the full link: 
http://maru-labs.com/wp-content/uploads/2015/10/BEP2_Anleitung.pdf

Cheers


__________________________________________________
Only a few activities make me experience my senses in a way motorcycle riding does, it is like swimming in the nude in a river.
K75 BA/1992 ABS, K75 BA/1991 noABS, Ducati, Mobylette M1/1973
    

13Back to top Go down   Aftermarket Gauges Empty Re: Aftermarket Gauges on Sat Dec 05, 2015 9:49 pm

robmack

robmack
Life time member
Life time member
Cheers!!! Aftermarket Gauges 502531 Thanks for the link.


__________________________________________________
Robert
1987 K75 @k75retro.blogspot.ca
http://k75retro.blogspot.ca/
    

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