It seems that pretty much everyone who owns a 48is with the N62 is having the exact same puff-o-smoke problem. I drake the cool-aid and replaced my CCV's also and saw all of the oil residue that was being pulled back into my intake, just like everyone else.... With that being said, I am going to do plugs on mine in a few weeks and that *should* tell the real story.
Is there anyone out there with a 48is w/ N6248B that does NOT have the puff-o-smoke problem?
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2006 X5 48is Black / Black - LED AEs - FCAB - GAS 1.2bar cap
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