First to second sound on shift

Rob09msport

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Oct 28, 2017
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09 335i msport le mans 18 x5
Anyone know what this sound could be
My d clutch reads 0 and is the only one that the pressure is a little off it seems.
I know d clutch is a brake that uses the casing which is exactly what it seems like the sound is but I dont know if could be defective solenoid or something. Were gonna drop tranny but instead want to see if anyone has any ideas it's all new clutches and bushings from pd and overhaul kit and sonnax zip kit plus new solenoids from fcp euro . I also still get slight clunk going back to first if coasting down slowly with no throttle at all or light brake pressure. That has been getting better as trans adapts.
 

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doublespaces

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Oct 18, 2016
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That is weird, would be easier to isolate all the sounds if it was silent otherwise
 

Rob09msport

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Oct 28, 2017
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09 335i msport le mans 18 x5
I know lol I had my son in car and as soon as I realized its transmission related I drove straight back to shop cause I'm not messing with anything transmission related. It is the balloon or mini elephant almost could be belt rubbing sound though.
 

Rob09msport

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Oct 28, 2017
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Monroe CT
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09 335i msport le mans 18 x5
Supposedly jaguar made am additive cause they had issues with a whoop sound from clutches engaging.