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      02-28-2012, 06:09 AM   #6
henzup
New Member
Hong Kong
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Drives: 2011 Z4 sdrive 23i M sport
Join Date: Dec 2011
Location: Hong Kong

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Love the side skirts and rear diffuser!
Is there a lot of extra work to fit the quad exhaust with 23i?
Any sound clips to show the difference with the exhaust note?
Appreciate 0