2021 BMW 4 Series Convertible Review

There are several improvements in the technology used. Like a faster roof folding system. More spacious luggage than the previous generation. As well as a variety of additions to the system. See the full review of the 2021 BMW 4 Series Convertible below.

What’s new in the 2021 BMW 4 Series Convertible?

Apart from the retractable roof, not many changes have been seen in the convertible version than the last generation of the 4 Series introduced in early 2019. What’s interesting about this car is the new roof material. Which makes it 40% lighter than the coupe model.

BMW 4 Series Convertible's front appearance

Front Exterior

Following the latest BMW 4 Series Coupé, the BMW 4 Series Convertible’s front appearance offers a controversial change. The two variants offered to adopt a typical BMW kidney grille larger than the previous generation. Love it or hate it. The decision to include a larger grille design resulted in the most significant changes to this car.

There are no significant changes that can be found in the open-top version with the coupe edition from the front. Headlights that have received adaptive technology can provide better visibility when driven at night. Other changes are found in larger bumpers than in the first-generation convertible editions.

BMW 4 Series Convertible's side appearance

Side Exterior

The sides are not much different from the coupe model with the same strokes with mirrors and door handles of the same color. BMW technicians claim to be trying to maintain the stiffness of the coupe version. This is done by adding more robust sliding panels to the side skirts. Makes the new 4 Series convertible 4% stiffer than the previous model.

The most striking difference is the Starlight black roof with a silver woven material. The roof can be raised and lowered at a maximum speed of 50 km/hour. The operation takes 18 seconds, 2 seconds faster than the previous generation. Operations can be performed via remote control in a car equipped with Comfort Access. Which is a standard feature on the M440i and optional on the M430i.

Rear exterior

The latest design of the 4 Series Coupé also carries over to the convertible version. The taillights that become narrower and the new red silhouette show the newest edition of this car. Not forgetting the brake light on the edge of the rear spoiler lips. Also, the dual exhaust and a new bumper design that feels more muscular.

BMW 4 Series Convertible's Rear exterior

A closer look inside the 2021 BMW 4 Series Convertible interior

Similarly, with this car’s appearance, not much has changed compared to the second-generation 4 Series Coupé. BMW’s premium and the elegant effect is not inferior to the coupe model. However, the 4 Series Convertible has to sacrifice practicality to present a sleek design while driving.

Dashboard

The convertible model is almost the same as the coupe in terms of dash design and technology. An 8.8-inch touchscreen infotainment system comes standard with a 5.1-inch screen for the instrument cluster. The 10.3-inch center touchscreen and 12.3-inch instrument cluster are available as options.

The soft-touch material and chrome details give the car a luxurious and elegant impression. The Series 4 does not abandon the traditional side by using conventional buttons on the central unit’s bottom. Next, there is a center console with several configuration buttons, a system for driving and driving modes.

Steering wheel

The silver-trimmed steering wheel and a multifunction system will make driving easy. The paddle shift is tucked in, giving a sportier driving feel, although this car only has an automatic transmission. In front of the steering wheel, you can find a high-tech front display screen. It makes it easy for drivers to get the most up-to-date information while driving.

2021 BMW 4 Series Convertible interior

Seats

The comfort in the cabin remains the same as in the coupe edition. For the best driving position, the driver’s seat can be easily electrically adjusted. The leather front seats are offered with a heating function that is especially useful for those who live in a four-season country. Meanwhile, the rear seats are designed for only two passengers.

The comfort in the rear passenger seat isn’t that torturous. Although the rear seat has a backrest that is not too low. It slightly reduces the feeling of comfort when traveling long distances. Moreover, the legroom is better used for child passengers. It’s just that sitting in the back seat is very impractical. The reason is that this coupe-style car only has two doors.

Cargo capacity

With the elegant impression this car offers, of course, some parts have to be sacrificed. The trunk space in the BMW 4 Series Convertible has a capacity of 385 liters when the roof is raised. But when the roof is folded down, you must be willing to use 85 liters of trunk space to store the roof. Therefore, the rear trunk space leaves only 300 liters for storing daily necessities.

What features does the 2021 BMW 4 Series Convertible offer?

This car offers full tech features, but not much has changed compared to the standard 4 Series. BMW offers several features: three-zone automatic climate control, a rearview camera, electrically adjustable seats, ambient light system, 12.3-inch instrument cluster, and 10.25-inch infotainment system.

2021 BMW 4 Series Convertible features

The practicality in the cabin also has compatibility with Apple CarPlay and Android Auto. This makes it easy to connect your smartphone to listen to music or access various driving functions such as navigation. For the global market, consumers can get the M Sport Pro Edition with more comprehensive technology.

Safety features

BMW uses the latest technology Safety system that is also used in the 4 Series. The safety kit includes a Lane Keep Assist assistance system with a steering wheel function for easy access while driving. There are also lane departure warning, a rearview camera, and autonomous emergency braking (AEB) that help improve braking.

How good is the 2021 BMW 4 Series Convertible performance?

The convertible version uses the same engine model as the hardtop coupe. Two engine options are offered, such as the B46 with a 2.0L twin-turbocharged producing up to 258 hp and a maximum torque of 400. Meanwhile, the B48 3.0L 6-cylinder twin-turbo engine has 387 hp and 500 maximum torque.

2021 BMW 4 Series Convertible performance

Like the coupe model, the B48 engine is paired with a hybrid assist system and a 48-volt generator. This system recovers the braking energy stored in the battery and uses that energy to add power when you accelerate. This electric battery also facilitates the operation of the start-stop system. This will allow the system to switch off the gasoline engine at 14 km / h when reducing speed.

Both car variants can be owned with a rear-wheel-drive system or an all-wheel-drive system. There is only one 8-speed automatic transmission option. Ditching the 6-speed transmission previously used on the 430i and 440i models. An exciting novelty about the 8-speed transmission is the Sprint mode. Drag and hold the paddle shift, and the throttle response, exhaust system, and transmission mapping shift to sport mode. While the gearbox is lowered to the lowest possible gear.

Toby Archer

With experience as an automotive journalist since 2016 in well-known media, Toby has also tested various types of cars and visited world auto shows. He is currently Editor-in-Chief of Hotwheels since early 2020

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