The BMW 4 Series Convertible is known for its sporty design, open-top driving experience, and advanced technology features. Here's what you might expect from a 2022 BMW 420i Convertible in blue:

1. Sleek Design: The BMW 4 Series Convertible features a sleek and sporty design, with a retractable soft top that can be operated at the touch of a button. In blue, it adds a touch of sophistication and stands out on the road.

2. Responsive Performance: The 420i Convertible is likely to be equipped with a turbocharged inline-four engine, delivering a balance of power and fuel efficiency. The precise performance figures may vary, but you can expect responsive acceleration and dynamic handling characteristic of BMW vehicles.

3. Luxurious Interior: Inside, you'll find a well-crafted interior with high-quality materials and advanced technology features. The convertible configuration offers an open-air driving experience, while amenities like leather upholstery, ambient lighting, and a digital cockpit enhance comfort and convenience.

4. Cutting-Edge Technology: BMW is known for its advanced technology features, and the 4 Series Convertible is no exception. Depending on the trim level, you might find features like a large touchscreen infotainment system, digital instrument cluster, wireless smartphone charging, and advanced driver assistance systems for added safety and convenience.

5. Convertible Convenience: The retractable soft top allows you to enjoy the freedom of open-air driving whenever the weather permits, and it can be raised or lowered quickly and easily for added convenience.