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      11-12-2011, 09:48 PM   #100
Ger650ix
Ger650ix
United_States
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Drives: BMW 650ix
Join Date: Nov 2011
Location: New Jersey

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Has anyone had experience with mods I'm considering for a 650ix M-sport to be delivered this December: amplified ignition coils; ECU flash; high flow air filter for stock air box; 3 inch high flow exhaust (cat-back). What kind of gains can I expect given the design of the car?
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