I'm putting together the parts order for this job, and could use a little input from those that have done it before.

I'm wondering if replacement of the CCV (intake manifold cover) and OSV (oil seperator) is uber critical or not?

Is it a:
1) "If it aint broke, don't fix it"
2) You'd be a damn fool not to!

TIA

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Current Rides:
2002 X5 4.4i (04/02 Build)
2004 M3 Conv.
2005 Suzuki V-Strom 650