[BMWRX]

Well, the new Alpine upgrade is in and I can honestly say it's made a massive difference to the sound in the car. Where there was once no bass, there is now a wall of low end grunt that must be kept on a leash (I had to turn down my settings for the bass as it got too boomy). And the top end is brilliant. I can hear every movement on guitar strings and the high-hats are crystal clear. The whole system just has more punch and makes me want to want find songs to run through it to see what they sound like.

I still have a bit of playing to do to get it exactly as I want it but I'm very happy with the result.