Where is the OEM Horn? 2007 K12GT - K-Bikes.com - Excellence in Motion
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post #1 of 16 (permalink) Old May 24th, 2013, 10:47 am Thread Starter
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Where is the OEM Horn? 2007 K12GT

Gents
I am setting up my bike for along trip through New England, Nova Scotia and Montreal (for the F1 race). I have all the side and tank panels off to install my AutoComm and other goodies. I am also replacing the horn with a louder electric horn.

Since I am dumb as a stump... and the bike is new to me. Where the heck is the OEM horn? I didn't want to take the entire nose cone off just to find out it is somewhere else. I can hear it but can't seem to put my fingers on it.

Thanks for the quick help!
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post #2 of 16 (permalink) Old May 24th, 2013, 11:54 am
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A few years ago Grif and I both did horn installs and some pics ended up in the Hall of Wisdom on this site. Grif's install was on the right side where the stocker is, and although I can't recall exactly, I remember you can see it from the right side if you look close. Here is the link to Grif's install and there is a pic of the stocker, although the lack of context in the pic is not very helpful.

http://www.k-bikes.com/forums/showpo...4&postcount=17
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post #3 of 16 (permalink) Old May 24th, 2013, 12:00 pm Thread Starter
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Chuck
Do you happen to remember if the nose cone had to be taken off? I have the side full exposed but still can't find it.

Thanks
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post #4 of 16 (permalink) Old May 24th, 2013, 12:24 pm
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if you are looking up into the bowels from the front wheel it's on the left side near the shock.
It's actually facing the shock so you will be looking at the horn's side.

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post #5 of 16 (permalink) Old May 24th, 2013, 12:33 pm Thread Starter
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Quote:
Originally Posted by moymurfs
if you are looking up into the bowels from the front wheel it's on the left side near the shock.
It's actually facing the shock so you will be looking at the horn's side.

thanks. Let me stick my fat head in there.
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post #6 of 16 (permalink) Old May 24th, 2013, 2:08 pm
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I went outside and stuck my own head up in there. I can't see it either. One of Grif's pics shows the area around the shock, but I can't see it, even with a strong flashlight.
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post #7 of 16 (permalink) Old May 24th, 2013, 3:32 pm Thread Starter
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Yep, I found it. If you look directly left of the shock it is a 4" round disk thingy mounted with the flat side facing the wheel.

The bitch of it (like most of this K-Bike) is that I can't really get to it. I have to see if taking off the entire nose helps but this sounds like a ton of work for a horn.
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post #8 of 16 (permalink) Old May 24th, 2013, 5:35 pm
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Stick your hand up in there and get the horn plug loose, fish it out, and tap the wire to trigger a relay. Use the relay to power your new horn, mounted wherever it fits best. Then plug the original horn back in and leave it in place.

Grif's instructions linked above are are pretty good place to start . . .

Ken
Pacific NorthWet
'13 Dark Graphite Metallic K16GTLD, 24K miles and counting...
'09 Magnesium Beige Metallic K13GT, 60K miles miles and counting...
'02 Mauve Metallic K12LTC, 106K miles and sold
BMWLT#145, IBA# 366, MOA# 111996, SCMA# 24032

All lower 48 states plus Alaska on the K13GT in two weeks . . .

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post #9 of 16 (permalink) Old May 24th, 2013, 6:40 pm
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I don't have my K12GT any more, but I seem to remember that the whole silver box (ZFE) moves aside fairly easy. You just take out the one screw where Grif mounted his relay. The horn is behind it.

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post #10 of 16 (permalink) Old May 24th, 2013, 11:25 pm
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The stock horn is an absolute pain in the ass to get to and sounds like a freakin moped... I followed Grif and Chuck's previous posts and mounted a Stebel air horn on the ABS pump. What a difference!

This was by far the worst horn I have ever had on a BMW... Also the most difficult to get at. Right side panel, air filter/cone assembly and pretty silver box had to be removed to get to the stock horn.

"CAN YOU SEE ME NOW?"
Jeff Guntert - Schenectady, NY
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