I think the general idea is that 6 is suppose to be more expensive than 5.
The interior material and design is somewhat better in the 6 than 5. (without talking about *******
That's about it.
__________________
2011 535i Alpine White, Oyster on black interior, Premium 1 & 2 Package, Magnaflow Full Cat-Back Exhaust, JB4 Stage 2
|