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      11-30-2011, 05:46 PM   #53
swamp2
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Drives: E92 M3
Join Date: Sep 2006
Location: San Diego, CA USA

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Nice system.

I'm very interested in the longevity of the valve system. All of the aftermarket electronic "cutouts" are electrical (motors) and they all fail due to heat/thermal cycling (despite a lifetime warranty). OEM systems such as Ferrari and the other aftermarket BMW valve system use a pneumatic valve instead of electrical. From what I understand the pneumatic valves are really bulletproof from a maintenance and longevity period. Can you tell us a bit more about the valves you chose, why, what to expect for longevity and warranty?
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