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Discussion Starter · #1 ·
at not very often degree at startup (hot or cold) blue smoke comes out of the tail pipe. The BMW shop tested the psi vac as was 5-6psi which he claimed it did not show CCV problems. He suggeted that some kind of cyclonic device could be bad. Anyone here of such thing?
thanks
 

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whats the general condition of ur spark plugs? wet? dry? black? brown?, grey?

engine condition at ide? smooth? rough? uneven?

then again... when was last tune-up? i.e. last time a compression check was taken? if recently... what were the readings?

what year and model do you have?
 

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If this is the only time the smoke appears(start up) and goes pretty quick I would say its the PCV., What model are we discussing here 'e'??
 
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