BMW 3 Series 嘅車廂採用高級物料打造，座椅用上 Sensatec 人造皮，觸感接近真皮而且易於清潔。M Sport 版本仲有 M 專屬運動軚環同 M 運動座椅，加強側向支撐力，激烈駕駛時提供更好嘅固定效果。
The cabin of the BMW 3 Series is crafted with premium materials, featuring Sensatec upholstery that feels like genuine leather and is easy to maintain. The M Sport version also includes an M leather steering wheel and M sports seats with enhanced lateral support for better occupant retention during spirited driving.
