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Old 06-23-2010, 06:57 PM
tunafish tunafish is offline
Officially Welcomed to the 'Fest
Location: NC
Join Date: Dec 2009
Posts: 150
Mein Auto: 11 535i
I am ambivalent about ZDH. Initially, I didn't order it, but changed the order at the last minute to include it. Not sure if I did the right thing or not. It's pretty expensive and adds complexity and I don't know how useful it is. I decided against IAS (4 wheel steering) after I read complaints about tracking problems and expense associated with aligning this system on the 7 series.
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