Originally Posted by cpiguy
They are 102mm. I'm very happy with the sound and quality of the system. I get compliments all the time. A guy on Sunday walk across the shopping plaza parking lot just to ask what kind of system I had.
It's interesting. My objective is for people to say, wow the M5 sounds really good, without realizing I have an aftermarket system. But your system does look very good.
2014 ///M5 Individual Frozen Grey, Silverstone Full Merino, Piano Black, Exec Pkg, Drivers assistance plus, LED Pkg, Bang and Olufsen, 20" 343M Forged Alloy Wheels
Countermeasures: Bel StiR+, Laser Interceptor Quad HP, Zaon MRX
Upgrades: Eisenmann Sport with M Performance Carbon tips, Dinan anti-roll bars