Quote:
Originally Posted by ezaircon4jc
But manufacturers go about PCV systems differently. The N54 was notorious for valve build-up and needs "frequent" walnut blasting. The N55's PCV system was redesigned and doesn't need the walnut blasting the N54 did. In fact, I asked my SA about having it done and he told me they don't do it that often on the N55; NOTHING like the N54. He said they walnut blast the N55 only after all other avenues have been exhausted to solve a driveability issue.
From what I've read VW's are every bit as bad, if not worse, than the N54; Ford isn't much better. I haven't read anything on the other manufacturers as DI is relatively new to them. At least BMW have identified the issue and are correcting it.
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have you eventually put one in brother? i'm thinking about going with one of the one's ECS Tuning sells