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      05-02-2014, 09:46 PM   #3
Boosted_N54
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Drives: 135i N54
Join Date: Apr 2008
Location: New York

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My mechanic showed me the AA cattles downpipes were it was touching each other and touching on one bolt.
so he send the pipes back to AA and there sending a different set also my mechanic told me that some times they don't test fit them. he has install down pipes on all kind of n54's lots of times.is there any diffrence between a auto or manual transmission for Installing catless down pipes on a n54?
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