Truth be told 650i drivers move to M3's or M6's. While the 650i is a super nice GT car, it's lack of performance feel gets boring. The F12/13 platform while address some of this with the new power plant. I wrote a review last year after I switched..........Phil
2016 GT4.....Sapphire Blue Metallic, Platinum stitch Leather/Alcantara interior, Carbon Fiber Trim, PCM w/Nav, Guards Red Belts, 2 Zone Climate, Sport Chrono, LWB, Smokers Pack, Big Gas Tank, Light Design Pack, Bi-Xenon w/PDL, Auto Dim Mirror, Clear Side Markers...Mods coming soon!