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      06-28-2012, 02:28 PM   #9
csween86
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Drives: 2011 135i N55,6MT,M-PK
Join Date: Feb 2012
Location: Dupont, WA

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For anyone interested, look into the Dinan stage 2 upgrade for the n55. It bumps power to 355hp and torque to 401 lb-ft.... There will eventually be a stage 3 as they mentioned that on their site. The stage two is like $2g's so a bit pricey, but they will match your warranty and BMW will acknowledge this tune and will still service your car hassle free.... Just saying.