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      06-28-2019, 06:05 AM   #18
widetyres
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Drives: M3 E92 DCT, 2012
Join Date: Oct 2018
Location: UK

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Quote:
Originally Posted by chmura View Post
Quote:
Originally Posted by CTSean View Post
If I understand the steps above correctly, the CDV is located in the slave cylinder itself and the slave cylinder for M2 and 2C (as well as all 1, 2, 3 and 4 M and non-M cars as far as Realoem.com is concerned) are all the same part #. It's reasonable to assume they all have the same restrictor.
Yes that is correct the CDV valve is inside the slave cylinder.

So why has this not been discovered earlier? The manual M3 and M4 has been out for 5 years now. I have not seen anything on the M3/M4 boards. Is it because the M3/M4 owners are not true enthusiasts? Really strange that on the M4 forums there no mention that the M4 has the CDV since the M2 has the same transmission as the M3/M4.
Taking the UK market as an example, they only sold a very low percentage of manuals for the f80/f82.

Before buying my m2 I was tracking manual f80/82 car sales and they were probably <2% of the cars on the market. Probably why it wasnt discovered - just too few people affected.
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