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      12-09-2012, 09:54 PM   #8
fshubert
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Drives: 2015 F30 335i
Join Date: Sep 2009
Location: Northwest NJ

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On the E90 the flapper was opened by vacuum (thus golf-tee mod). The F30 uses an electrical flapper. Easiest thing to do is take out the spring that connects the flapper to the servo motor and use some heavy baling wire to keep the flapper open. Car will sound better too.
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2018 Mustang GT | Royal Crimson | Black Leather | 6-speed | Cold Weather | Premium Pkg | 20" Alloy Wheels | Tuned to 510HP | Less than $45K
Previous loves: 2015 F30 335i / 2013 F30 335i / 2009 E90 335i / 2007 E90 328xi
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