335i or 335D n54 or n55

so i currently have a 2011 328i xdrive and im itching for something faster that i can work on and build as a 2nd car to my 328i, the 328i would be my daily and this new car would be my fun car so im trying to decide between a 335D or a 335i n54 or n55 not sure on that yet, i would really like a rwd car but the 335is in canada are all xdrive and if you do happen to find a rwd one they’re 2x the price, although we do have quite a few 335Ds and they’re all rwd but i’ve never owned a diesel nor do i know anything about a 335D except that i would immediately delete and tune it, i also love the MPG and reliability of a 335D but as someone who owns a n52 i think im ready to jump into a n54 or a n55. anyway moral of the story i don’t know what car to pick but im leaning towards 335i but that still leaves the question of n54 or n55

so i currently have a 2011 328i xdrive and im itching for something faster that i can work on and build as a 2nd car to my 328i, the 328i would be my daily and this new car would be my fun car so im trying to decide between a 335D or a 335i n54 or n55 not sure on that yet, i would really like a rwd car but the 335is in canada are all xdrive and if you do happen to find a rwd one they’re 2x the price, although we do have quite a few 335Ds and they’re all rwd but i’ve never owned a diesel nor do i know anything about a 335D except that i would immediately delete and tune it, i also love the MPG and reliability of a 335D but as someone who owns a n52 i think im ready to jump into a n54 or a n55. anyway moral of the story i don’t know what car to pick but im leaning towards 335i but that still leaves the question of n54 or n55