The F30 is larger, more comfortable, and packed with better technology (like the iDrive infotainment system). Later models moved to a 1.5-liter 3-cylinder turbocharged engine which is surprisingly peppy.
The "N46" and "N43" engines can be prone to oil leaks (valve cover gaskets) and timing chain tensioner issues. The F30 Generation (2012–2019)
When searching for a used BMW 318i, your experience will vary greatly depending on the "E" or "F" code (the chassis generation): The E90 Generation (2005–2012)
A is an excellent choice for those who want the status and driving dynamics of a German luxury sedan without the high running costs of a performance beast. It’s a car that feels special every time you sit behind the wheel, making even a mundane commute feel like an event.
If you are currently browsing the used market for a 318i, here is everything you need to know to make a smart purchase. Why Choose a Used BMW 318i?