My 2007 E90 had a sunroof problem that was resolved with reprogramming. My 2009 E90 had the HPFP replace. No other issues on these 2 cars over 6 years. So far 4400 miles on the new F30 and no issues. As far as I'm concerned, the reliability is fantastic!
2013 F30 335i | Sportline | Imperial Blue Metallic | Black Dakota | 6-speed | HK | Cold | Premium | 19" Staggered Sports | M-Performance Exhaust
2009 E90 335i
2007 E90 328xi