Strange string in my referer ( i×]jÖ )

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I look at my referer and I see a string like i=D7]j=D6 at the end of some=
=20
referer's url.
Of course this string does't figure in the url of the referer.
ie : stage.harley-davidson.com/selector.asp?change=3Dtruei=D7]j=D6
www.google.ca/search?hl=3Den&ie=3DISO-8859-1&q=3Dharley davidson canada&m=
eta=3Di=D7]j=D6
and some time only i=D7]j=D6

Thanks for your time

Nikos

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Content-Disposition: attachment;
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begin:vcard
fn;quoted-printable:Nicolas Dalp=C3=A9
n;quoted-printable:Dalp=C3=A9;Nicolas
email;internet:[email protected]
tel;work:514. 985.4306
tel;fax:514. 398.9800
x-mozilla-html:TRUE
version:2.1
end:vcard


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