Thanks for the info and tips. Have ordered the thing from my dlr, who gives me a good price on everything, and the part comes from Germany. None avail in US. Two-four week wait. Looking forward to getting the thing installed!

__________________
Sageriders
2011 328, Water [blue], Saddle
2006 X5 4.4i, Sterling Grey/Truffle, Premium, Sport, Cold, Rear, Adj. Ride Ht.
2005 X5 3.0, Sterling Grey/Black, Sport(Totalled!)
2002 330i, Grey-Green Met/Truffle Br. [Sold]