Materials to Maintain Your ZHP IIIII Hand Protection IIIII Tools to Maintain Your ZHP
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  1. #1
    Join Date
    Jul 2011
    Location
    Long island, New York
    Posts
    1,493

    To CDV Delete or Not To CDV Delete

    All
    Been reading about the evils of the CDV and how it impacts shifting and overall drive feel. How many people did the CDV delete and how has it changed shifting. Should I get the modified valve from Zeckhausen racing for 50 bucks. Is it worth doing?

  2. #2
    Join Date
    Jan 1970
    Location
    Liberty Township, OH
    Posts
    37,935
    Don't get modified valve body.

    Many have done it.

    Shifting is surer.

    HTC Thunderbolt+TT
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim

  3. #3
    Join Date
    Jul 2011
    Location
    Long island, New York
    Posts
    1,493
    Are you saying just to get rid of the valve completely or keep the CDV?

  4. #4
    Join Date
    Jan 1970
    Location
    Ashburn, VA
    Posts
    273
    Just remove CDV, re-attach clutch line, and bleed.
    Jon Estrella - 997 Turbo

  5. #5
    Join Date
    Apr 2011
    Location
    Boston, MA
    Posts
    177
    Completely removed mine today. Night and day difference. For the better.

    First to second never felt better/smoother.

    Do it.

  6. #6
    Join Date
    Jul 2011
    Location
    Long island, New York
    Posts
    1,493
    Am I in the minority still having CDV?

  7. #7
    Join Date
    Jul 2011
    Location
    Long island, New York
    Posts
    1,493
    Do I need any parts or special tools?

  8. #8
    Join Date
    Apr 2011
    Location
    Boston, MA
    Posts
    177
    I got mine deleted at an indie mechanic's shop. Went in to get my alarm activated so I got the CDV deleted as well.

    As far as I'm aware, it's a very easy job and takes like 15 minutes. If you search around the forum here, you'll find some threads that have links to DIYs. Seemed very straightforward to me, but I just don't have the tools and jackstand to do it.

  9. #9
    Join Date
    Jul 2011
    Location
    Long island, New York
    Posts
    1,493
    Yep, just reading about it now, fairly simple. If I get some time this weekend I think I am going to CDV delete.

  10. #10
    Join Date
    Jan 1970
    Location
    Liberty Township, OH
    Posts
    37,935
    Quote Originally Posted by echo46 View Post
    Yep, just reading about it now, fairly simple. If I get some time this weekend I think I am going to CDV delete.
    You are in minority.

    No special tools needed.

    HTC Thunderbolt+TT
    Call Me Dane l 2/2004 330i ZHP l 18x8 ET45 BBS CK's wrapped with Michelin Pilot Sport AS3+ @ 245-40-18 l KW V1 Coilovers in front l KW V1 springs w/ Bilstein B8 dampeners in rear l BMW Performance Rotors l UUC StrutBarbarian l Racing Dynamics Rear Strut Bar l Jim Conforti Shark Injector l Light Birch Interior Trim l Bimmian Celly Mount l M3 Trunk Mat l l e90 Performance E-Brake & Shift Knob l M3 Tri-Stitched Boots l AL Headlight Retrofit with ZKW Lenses l CobyWheel Wrap w/M3 Stitching l LCM sw 4.5 triple blink and rear fogs l Maple Interior Trim

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