The only item I wish I had not optioned was the Pro Nav as I'd probably hardly use it. I only bought it because it looks good. Just like buying M-Sport Brakes.
Anyway, so far, the Nav appears to be beset with teething problems.
It's all a bottomless money making pit, IMO.
Present: Superman 330d sDrive M Sport + Toys (Auto Car: 0-60 in 5.5s, 0-100 in 14.2s, 30-70 in 5.1s)
Ordered: Red Tornado Golf 7R 5 Dr, DSG + Toys (Top Gear: 0-60 in 4.5s, 0-100 in 11.5s, 30-70 in 4.0s)