Originally Posted by raf555
So what head unit is better to have for a retrofit?
The one with 2 ports or 3 ports at the back.
Am I right in thinking the ones with just two ports are the newest units??
I didn't know there were different hardware version? But, he was talking software (sw) versions, which can be updated to the newest at the dealer.
2008 335I E92, AW, VFF700, 18" Forgestar F14, M3 front/side, M-tech rear, AMS IC, H&R Touring Cup Kit suspension, HID AE, ER Charge Pipe & Synapse BOV, CIC Retrofit, Quafie, DSS, Defiv Lockdown, SPEC 2+/Steel SMFW, Walbro 450