
BMW 3 Series audio adjustment method: 1. Enter the vehicle settings and open the iDrive system; 2. Open the sound settings, adjust the front/rear balance to the center position, and set the bass level to 2-4 bars according to personal preference. The car audio system is designed to alleviate the monotony of travel for drivers and passengers. The BMW 3 Series is a new generation sedan product from BMW Group, with dimensions of 4734mm in length, 1811mm in width, and 1455mm in height, and a wheelbase of 2920mm. The model is available in four variants: 320i Sport, 320Li M Sport, 330i M Sport Night Edition, and 330Li xDrive M Sport Night Edition.


