Used these instructions to install the BMS CDV on my 128i. Since my car is still under warranty, prefer to keep it stock appearing and also retain the OEM valve in case I need to reinstall it for some reason.
Following advice I saw somewhere else, maybe earlier in this thread, I bought an 11mm half-moon wrench (
https://smile.amazon.com/gp/product/...?ie=UTF8&psc=1) which definitely helped with bleeding. I bled using a Motive bleeder and as others have mentioned, had to pump the clutch in the ball park of 100 times afterwards to get normal pedal feel back. Overall it went smoothly!