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Old 05-06-2012, 11:07 AM
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DaveZ DaveZ is offline
The knights who say Ni!
Location: CT
 
Join Date: Apr 2003
Posts: 426
Mein Auto: 2006 Z4 M Roadster
CDV = Clutch Delay Valve or "clutch lock valve" in the parts list. Do a search here on CDV and you will turn up lots of info, it's been discussed here to death. Some people replace with a bored out "fake" valve from Zeckhausen or BAV. Others, like me, just eliminate it completely. Some links you may find useful:
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DaveZ - http://www.zeleznik-klein.com/z4

2006 MZ4 Roadster, Interlagos Blue, Light Sepang, CF Trim
CDV delete, OEM Strut Bar, Homelink, smartTop Controller

  
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