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Demon Barber · 07-13-2018, 11:04 AM

In my experience, the valves never opened at cold startup, and never opened in lower rpm range. I'm very happy I unplugged, and would be glad to do a DIY if there are still people interested. Again, if you detect any drone, completely reversible.

07-13-2018, 11:04 AM	#14
Demon Barber Captain 292 Rep 605 Posts Drives: 2018 M5, 2022 911 Turbo S Join Date: Dec 2015 Location: NC iTrader: (0)	In my experience, the valves never opened at cold startup, and never opened in lower rpm range. I'm very happy I unplugged, and would be glad to do a DIY if there are still people interested. Again, if you detect any drone, completely reversible.
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