Quote Originally Posted by slater View Post
all engines use a little oil... the M54 uses oil thanks to the CCV system. it's entirely fixable for $10 in parts.
Quote Originally Posted by slater View Post
3' of vacuum line and a 1-way check valve for the drain line to the oil pan. if you search of 'oil consumption thread' on here, you will find it detailed. this 'fix' works well if you're in a warm climate - where are you located?
Are you now proposing this over your oil catch can setup?