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Old 07-17-2013, 01:35 PM
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QSilver7 QSilver7 is offline
Officially Welcomed to the 'Fest
Location: Northeast Indiana
 
Join Date: Aug 2008
Posts: 5,967
Mein Auto: 1997 740iL / 2006 X5 4.4
You've probably lost one of your horns (there's a high pitch and low pitch horn)...or corrosion has gotten to the electrical connector...which could mean you need a new one, or it could be as simple as cleaning it (as well as possibly cleaning the non working horn out). They are located in the front left wheel housing:


H2 = left horn & X132 is its electrical connector / H3 = right horn & X133 is it's electrical connector

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http://www.realoem.com/bmw/showparts...=61&fg=40&hl=2

(#5 in diagram below is X132 or X133 identified in images above)


Or perhaps your horn relay (K2 in image below) has gone bonkers:


Time to do some discovery.
__________________
Q {BMW CCA Member #191509}
2006 E53 X5 4.4i (Sterling Gray) 12/05 mfg date <<~>> 97 740iL (Arctic Silver) 3/97 mfg date
(SOLD)
99 540iT (Orient Blue) <<~>> 95 525IT (Alpine White)
91 735iL (Schwarz Black) <<~>> 85 325e (Bronzit)

http://imageshack.com/scaled/grid240/822/e38e532ndsigpic.jpg

Last edited by QSilver7; 07-17-2013 at 01:55 PM.
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