All 4 Series models get sat-nav, a DAB digital radio, a USB connector port and a hands-free Bluetooth connection, while the steering wheel has audio and phone controls on it.
Every car also comes with the excellent iDrive infotainment system. It’s linked to a 6.5in colour screen in the entry-level models, and is controlled via a handy rotary dial down by the gearstick; it’s simple to use, and it’s easy to look at because the screen is mounted high up on the dash. You can upgrade the system with the optional connected apps, online web browsing services and driver assistance devices.
Opt for the BMW Professional Media Pack (included on Luxury trim and above) and you’ll get a larger screen, an even greater number of online services and an upgraded sat-nav. The system is easy to navigate and stuffed with features.