Dackelone +1
All the links he provided is the way to go without having to relocate anything. The only thing you'll need to do (with those particular setups) is eliminate and/or modify the plastic covers where the right tip will be located.
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The "multifunctional pan" -- the bucket where the charcoal canister is attached to, is the same for the E82 and E88. Part #51717166854
If you absolutely need to relocate the canister, or want to rock a 1M style exhaust, here's the write up:
http://www.1addicts.com/forums/showthread.php?t=1058189
If you need help coordinating, let me know. There are items in there, i.e. new battery, air vent lines, which are not necessarily required.