I do not have a picture on hand, but I'll try to explain it's location in laymen's terms. If you're still lost, I'll snap a picture for you later today (provided I can remember to do so )

The hose in question runs along the wiring loom atop the drivers side head (underneath the plastic engine cover); then runs by the CCV/PCV hose (runs from drivers side head area down the front of the engine towards the passenger side block--roughly); then connects to the pastic pipe joining the throttle body to MAF (the pipe is around 8 inch long and 3 inch wide. On that plastic pipe is a small nipple to which the hose connects.

Edit: this may be of slight help for the moment. Step #18 shows the tube that rotted out on mine. http://www.horsepowerfreaks.com/imag...-10682900-.pdf

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--'89 560sec 6.0L AMG
--'93 3.2L widebody BMW racecar (E36)
--'94 SL600 RENNtech
--'00 F360 racecar
--'03 996 racecar
--'04 S600 (AMG sport pack, distronic, loaded)
--'05 X5 4.8is (LeMans/BLK, 85kkm, cold package, pano, nav with DSP and BT [fully optioned from the looks of things]