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Hello, need opinions
Hi guys,
Its been sometime since I've posted here. Used to drive a 730Li couple of years ago.
Was wondering if anyone has remapped their N55 740i for more power? If yes than is it an ecu remap or piggyback? Which tuner and can you'll feel the difference in the power gains? I am more inclined to go for juice box but all opinions are welcome.
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2012 BMW 740i
2011 Mercedes E250
2010 Lamborghini LP670-4SV
Last edited by SAMLAMBO; 10-22-2015 at 10:37 AM..
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