Originally Posted by Mr Sir
These sound like good ideas, I'm kinda new to the BMW world so I don't know what standard mods will make it better. So if I drop in an N52 engine I'll get better fuel economy, but i was kinda wondering if i could make the factory motor better by getting a power chip, and putting in a better intake, high flow exhaust, and a better then factory cam.
I doubt you could just DROP IN an N52.. and if you were to.. there are no "power chips" for it and no aftermarket cams on market.
Regardless, this is quite a silly path to take.... sell your car and either buy a Honda Civic and get AWESOME gas mileage, buy a proper N52 that's bolted to an E90 chassis.. or don't complain.
To be very honest with you.. gas mileage threads are EXTREMELY frowned upon within BMW forums... Want to crib about gas? You're in the wrong car club.