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CDV removed

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
mcbutler
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Post by mcbutler » Sat Apr 14, 2018 3:51 pm

Can you replace it once removed i.e. did the garage give it to you or ditch it??
Mark
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Marlon
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Post by Marlon » Sat Apr 14, 2018 3:57 pm

mcbutler wrote: Sat Apr 14, 2018 3:51 pm Can you replace it once removed i.e. did the garage give it to you or ditch it??
Ditched it - but believe me you won't want it back :driving:
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del_tl1000r
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Post by del_tl1000r » Sat Apr 14, 2018 4:13 pm

They gave me the valve back just in case I wasn't happy with the result but it's definitely not going back on!
23i
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ihadablackdog
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Post by ihadablackdog » Sat Apr 14, 2018 8:25 pm

Can someone tell me, in super simple(ton) terms, what this does? What difference does it make? (and is it a manual or automatic thing)?
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Nictrix
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Post by Nictrix » Sat Apr 14, 2018 8:45 pm

ihadablackdog wrote: Sat Apr 14, 2018 8:25 pm Can someone tell me, in super simple(ton) terms, what this does? What difference does it make? (and is it a manual or automatic thing)?
It restricts the flow of clutch fluid which can make releasing the clutch feel not natural.
If you try and dump the clutch the fluid is restricted to stop damage to the drivetrain making the car kangaroo until the clutch is released fully.
E89 2014 35i M Sport Black with Black leather :)

markalp
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Post by markalp » Sat Apr 14, 2018 9:22 pm

ihadablackdog wrote: Sat Apr 14, 2018 8:25 pm Can someone tell me, in super simple(ton) terms, what this does? What difference does it make? (and is it a manual or automatic thing)?
It sets a limit on how quickly the clutch can be engaged/disengaged regardless of how quickly you move your left foot. Takes a while to get used to
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srhutch
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Post by srhutch » Sat Apr 14, 2018 9:42 pm

markalp wrote: Sat Apr 14, 2018 9:22 pm
ihadablackdog wrote: Sat Apr 14, 2018 8:25 pm Can someone tell me, in super simple(ton) terms, what this does? What difference does it make? (and is it a manual or automatic thing)?
It sets a limit on how quickly the clutch can be engaged/disengaged regardless of how quickly you move your left foot. Takes a while to get used to
It has no effect when you put your foot on the clutch, only when you release it.
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