Markus, check these 2 sites and see if they lead you towards an answer. I'll check with my dealer and service rep tomorrow and see what they have in the way of diagrams.
http://www.equiserv.com/CustomerTechSupport/instructions/engine.htm
http://www.aeswave.com/framedcatalog/product_enganlyzr.htm
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Bruce Herrmann
97 C4S
'04 330i
'08 Cayenne S
'07 4.8 X-5
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