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CDV Modification?

Discussion in 'E46 M3 (2001-2006)' started by gsteiner, Mar 27, 2008.

    gsteiner guest

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    Is the Zeckhausen CDV modification worth doing? This is for an 03 M3 6-speed manual.
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    mjweimer

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    I would say yes. It improves the feel of the clutch and allows better modulation.

    You can simply remove the CDV and screw the hard line into the slave cylinder (it needs just a slight tweak to line up) and save the cost of a modified valve.

    Of course if your car is still under warranty you may want to buy the modified valve to keep the stock appearance.

    Matt
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    330indy1

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    M cars

    M cars don't have the CDV , fyi

    gsteiner guest

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    I wondered whether my M had the CDV or not; it seems to shift normally. Thanks for the tip!
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    330indy1

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    you'd know if it had it because

    it makes smooth shifting really tricky.

    M cars are really purebreds... none of this junk is allowed.

    gsteiner guest

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    This is my first BMW and I'm learning as I go. One less thing to mess with. In fact, so far nothing to mess with!
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    330indy1

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    we all learn the same way

    ... the forums are great for sharing relevant information.
    Here are some tips since you're a new Bimmer-head...

    You may want to lurk in the Roadfly forums as well. Great network of enthusiasts!
    I also recommend CCA membership (I see you've joined!), as Roundel is a continual stream of 'deep category expertise'
    Also consider subscribing to Bimmer magazine. Mike Miller writes for their tech talk as well.

    gsteiner guest

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    Thanks for the tips. I'll check out Bimmer mag and Roadfly forums.

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