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04-05-2011, 12:18 PM
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#202
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Brigadier General 
Drives: 128i convertible
Join Date: Apr 2009
Location: Lexington, SC
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I've done the mod and measured the result with a sound pressure meter. It is louder at initial startup but a minute or two later, it is about the same. It has no discernable effect on power - nor would I expect it to.
Jim
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128i Convertible, MT, Alpine White, Black Top, Taupe Leatherette, Walnut, Sport
Ordered 5/22/09, Completed 6/4/09, At Port 6/9/09, On the Georgia Highway 6/13/09, Ship Arrived Charleston 6/24/09 at 10pm, PCD 7/21/09  |
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