Here's a nice and simple F30 335i M Performance Exhaust Install DIY.
It's not very difficult and you can save yourself hundreds of dollars (what the dealership charges). Approximate install time should be under one hour.
Inside you can download the entire official installation instructions guide for retrofitting the M Performance Aerodynamics Package to the F30 3 Series.
Quoted installation time is approximately 3 hours and the guide includes all necessary part numbers. Enjoy!
Inside is an installation photo guide for the F30 3 Series M Performance Interior Kit (the first installed on F30POST) which features a alcantara / carbon fiber dash trim, carbon fiber center console trim and carbon door handle trims.
