View Single Post
      02-04-2014, 05:39 PM   #3
HPIA4v2
Major
254
Rep
1,391
Posts

Drives: F80, F86
Join Date: May 2007
Location: Washington

iTrader: (3)

Not sure if these two related.
N62 is known to have valve seat problems, it produces blue smoke at dile in the cold.

N63 is not yet known to have this problem, at least I have not seen in in BMW forums.

A clogged CCV will produce smoke but it's milder than valve seta leak.
Appreciate 0