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      09-23-2011, 10:09 AM   #5
gallian93
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Drives: 10 e90 M3/72 tii
Join Date: Jul 2010
Location: philadelphia PA

iTrader: (22)

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Bump....
200 views people... no replies... help me out here guys

anyone else have this on their car?

Most of the feed back I’ve gotten is bad...

Bad customer service
exhaust valves getting stuck
really slow switch from open to close...
to the lack of reliability of an electric valve?

Is there anyone who had anything good to say about this system? (who is not a vendor)

I have to say that when I talked to the guy at GTHaus I had a very positive impression…