No no , Thank you good Sir
JAmz, its probably going to be easiest to swap out the whole roof that try to service the wrecked one.
You can get parts fir the roof without probs.
Here is some reference pages from BMW
http://bmwfans.info/original/E36/com...1998/02/mg-54/ click on the smaller pics to come through to some more detailed versions. The maintainece manuals are on the page TI posted up.
If you need a Laymans runthrough, i might be able to help