Yeah.
1) Get the Bentley manual.
2) Don't reuse any fasteners that are either a) self-locking or b) holding something difficult to replace, having the potential to cause damage, or holding something important to engine function. Fasteners are cheap compared to the damage their failure can cause in critical areas.
3) For parts specific to your vehicle go to realoem.com and plug the last 7 digits of your serial number into the configurator. You will be presented with all the details of what's in your car and all the part numbers. realoem.com is one of the truly great (and free, to boot) resources available to BMW owners.
4) Never, NEVER power wash an engine!