Oil catch can system for N54 engines

Any experience in the group installing and using a catch can system to reduce/ minimize carbon build up. At 35k miles since my last walnut blast I know I am approaching service time for this. ECS tuning offers one, which makes me curious, at just over $200 for the parts kit. I would not forgo a walnut blast at any rate before installing this.

At the same time I’d be concerned about whether this is considered an extended warranty-voiding type of modification, and hence best left for after that timeframe.


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Not sure what extended warranty you have but most will try to blame anything (especially aftermarket parts) in order not to pay a claim.
Are you sure carbon cleaning is necessary? I'm at 187k miles and never had it done (no OCC). Freeway driving and Italian tuneups go a long way.