I have a relatively new X5 xDrive40D with a BMW Business loudspeaker system. I find the sound quality very disappointing compared to the Audi A6 Le Mans which I had before and which had Bose speakers with surround sound. BMW really could improve on the quality of speakers they put into their cars ...

I've had my X5 xDrive40D for 3 months now and am somewhat disappointed with the fuel economy on this car. I know BMW probably overstate the figures slightly, but I'm doing a 30 mile return journey to work each day on country A roads including the A23 dual carriageway into Crawley and I'm not ...