Nice modded car. My personal taste and thoughts are: (remember that taste are like the buttocks! Divided!) ;-)
Dakar Yellow = don't personally like this color. Did never on the old M3/Z3 either
BMW Performance Seats = yes if combined with cage
BMW Performance Steering Wheel = not sure yet if I like or not
BMW Performance Pedals = link to those? Not seen them!
BMW Performance Shifter = link to those? Not seen them!
BMW Performance CF Trunk Lip = yes this should be on the car from start!
GIAC Tune = not until all warranties are gone
Akrapović Evolution = yes if where not so damn expensive. Carbon tips though!
Akrapović Catless DPs = yes but overpriced
Akrapović WIreless Kit = yes if Akra this is a must
SLēK CF Lip = Yes great looking. To expensive to import to Sweden though!
SLēK CF Diffuser = yes with the right exhaust!
SLēK CF SIde Valances = yes
SLēK CF Side Skirts = yes
Carbon Fiber Roof = yes! On my AW this would be perfect! Which roof did you buy?
BBS FI Wheels = I personally like the OEM much more. Going for gunmetal or black the day that I scratch my wheels
Michelin PSS Tires = yes when the OEM rubber is worn
Brembo Brakes = if track day car yes. If not expensive for street car
KW V3 Coilovers = if track day car yes. Not expensive though..
LUX Angel Eyes = yes 5000K is a must for perfect looks with the eyelid!
Black Kidney Grilles = yes should be OEM
Carbon Fiber Antenna = yes if carbon roof
Tow Ring = absolutely not! This feels like ford-porno-tuning! Remove!