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      03-08-2010, 12:05 PM   #4
Chris04Z4
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Drives: 2004 Z4 Roadster 3.0i
Join Date: Oct 2008
Location: Atlanta GA

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replaced the DISA and the car ran great! no idle issues.... THe shaft that runs inside the flap was broke at the base... and yes the broken DISA flap was causing the rough idle.
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