With a round 7" HD display

A QR code on the packaging gives access to:

it requires manual configuration in the radio's SWC menu

because maps

Bluetooth Adapter – BMW 3 Serie (E90/E91/E92/E93) Mazda With a round 7" HDBluetooth Adapter BMW 3 Series (E90 E91 E92 E93) With this adapter you can upgrade your original car radio so that it can play sound via Bluetooth directly from the mobile phone and at the same time take wireless calls. A simple and effective solution that provides modern functions without replacing the radio. Note: It is recommended to check the car's plug type, as it may vary. Functions Wireless Bluetooth streaming of audio Supports wireless calling