Big Brian, M6 Coupe, MrSugerskulls and all on the Forum
Victoria BMW is Now a Licensed Dinan Dealer

... so I assume no warrant issues
As you know as for perf mods I did the SS Catless Down Pipes, Akra Full Evo with CF tips, and custom 21s with 325 on rear
Now ... I only Get CEL on occasionally and the drivability is amazing!
Princess only has 4000 km and been parked since Sept 2015 due to rain and cold weather in Victoria BC Canada
Advice ...
a) Leave as is and enjoy
b) Dinan Stage 1
c) Dinan Stage 2
effects on reliability and Drivability?
Will I be happy?
Concerns?
Advice
Thanks Guys!

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Current Garage:
2019 M2 Comp, 2019 GLC 63 AMG , 2017 GLS 63 AMG, 2015 S63 Amg, 2008 John Dheer Gator XUV
Past Cars:
2016 M6 Cabrio, 2015 GLK 250 Bluetec, 2007 M6 Cab, 2011 S63 Amg, 2008 S450, 2006 330xi, 1998 Z24, 2002 Chev Suburban