Part number for that bolt is 07119901780
part number 12 in diagram below - Fillister head with washer M6X20-Z1 SW 4
For parts go here:
http://realoem.com/bmw/select.do and enter your 7 last digit of vin in the Serial Number box = or alternatively go find a copy of BMWETK to download and have it on your laptop all the time.
For workshop manual ... go find the 12.2007 version (last version) of TIS and install it on your windows computer. It has all you need to work on the E46 M3 CSL and more.
As for the flapper motor ... go search on ebay ... they are a generic part that came on the valvetronic motors found in many 1 series and compacts (N42 motor) ... very cheap from ebay. Just install and run test in DIS/GT1 to calibrate.
http://www.ebay.co.uk/sch/i.html?_od...11383&_sacat=0