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Having fitted evolve catless dp's and n55 mid pipes recently - i reckon the exhaust note might give the game away.
My car didnt throw a warning light up for about 80miles after removing the cat's in the down pipe but the exhaust note was there instantly, some dealerships see so few 1m's that they might not know what it should sound like...
i'm so fed up with bmw that once mine has the intercooler and re map fitted aswell il happily take it in for service and warranty work and let them think what they like....
Last edited by octainejunkee; 11-19-2012 at 07:09 PM..
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