I've got this wiring diagram site running well in Windows 7, using IE11, Java 8b91 and the provided SVG package.

You'll need to add the site's URL into the security exceptions in the Java control panel to get the Java to work. Even then, it still prompts for permission when launched.

Its a great resource when you get into it - well worth the effort (and easier than getting INPA going - not that they are in any way related).

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Wayne
2005 BMW X5 3.0d (b 02/05)
2001 BMW F650GS Dakar (b 06/01)