I'm sorry I feel its a mistake to name it a M4, it should still be a M3. Oh well..
Cuz5150, when I hear M4 I think of this..
2011 M3 Coupe-MR/Blk Turner Test Pipes, AFE pulley, Megan Catback/AFE Stg.2. 255/285 tires.
2007 Porsche 997C2S Speed Yellow/Blk sport seats
2004 BMW M3 Imola/Blk