What you are calling 'electrical schematic' is a book, probably around 150
pages thick. Not sure how this works in Europe, but in the US this is called
the EVTM book, and they are sold in print or on disks by Helm (helminc.com).
Most people get them second-hand on Ebay. Couldn't hurt to try there...
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.