I have a 2013 650i Gran Coupe xDrive with the N63TU engine...if Dinan can take me from 445hp to 540 I'll be at my dealer the day this is available!!!!! An extra 85hp would still be amazing. Now the question is....how long are they going to take to release this?????

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Current:
2013 650i Gran Coupe xDrive M-Sport
2011 BMW S1000RR
Retired:
2012 535i xDrive M-Sport
2007 X5 4.8 is
2008 550i M-Sport
2007 530i M-Sport