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      11-30-2011, 07:07 PM   #54
Mr. Nice Says Hello
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Drives: BMW M3 | X5 xdrive 35i MSport
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Originally Posted by swamp2 View Post
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?
+1 great question

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