Search Results for ‘blow by’

Hi all ! I've been having an issue lately with my 2010 520D SE (F10 Manual). Have got this diagnosed by an independant BMW specialist mechanic and a general mechanic. Their diagnosis didn't seem very promising. So it started like this.... I randomly checked my oil level on iDrive and it shows...

Hello, I recently bought a BMW 335d and after a drive one day I decided to check the oil level and noticed diesel exhaust fumes coming from the oil cap. (I became aware of the issue when the car was 100% stock) I'm confident that it isn't a blown head gasket because there are no bubbles in the...