M MarcBrev 10+ year member Member 30 0 CA Jan 15, 2002 #1 i bought a sub and amp a bit ago - it is hooked up to my factory unit - it is in a bmw m3 with harmon kardon upgrade - will the sound greatly improve by adding a deck?(i am thinking alpine cda - 7873)? Click to read more...
i bought a sub and amp a bit ago - it is hooked up to my factory unit - it is in a bmw m3 with harmon kardon upgrade - will the sound greatly improve by adding a deck?(i am thinking alpine cda - 7873)? Click to read more...