Originally Posted by macka
Can u plz write in a few steps how to modify it ?
Link for CDV modification: http://www.n54tech.com/forums/showthread.php?p=4589
Link to website giving diagram of CDV and part number (No. 13 - Lock Valve). I bought mine from my local stealer. I paid about £4 - £5 for about 5 valves (I only wanted one, but they sent me a box full). Link here: http://www.realoem.com/bmw/showparts...08&hg=21&fg=10
Hope this helps.