Auto Parts: 2001 bmw 330ci, emissions control, bmw 330ci

Question
I OWN A 2001 BMW 330CI MY SERVICE ENGINE LIGHT CAME ON AND WANTED TO KNOW WHAT THE PROBLEM,THE CODES IS p0455 "EVAP EMISSION CONTROL SYSTEN LEAK (LARGE)" THANK YOU FOR RESPONCE IS GREATLY APPRECIATED.

Answer
The ECM is only detecting a leak in your emissions control system AREA, not the SPECIFIC location.  These kinds of leaks are going to take a good visual inspection to find.  Most cars these days have an emissions control schematic under the hood (sticker).  You can start from there, but even those schematics are somewhat vague unless you know exactly where each component sits in the vehicle.  I've dealt with these problems before on a previous vehicle.  I got lucky and found it right in front of my face.  Unfortunately I won't be of much assistance from this side of my keyboard.  :(