2021 BMW M440i Convertible review: An engaging cruiser

This car’s entrance-conclusion styling is slightly softer than BMW M3 and M4’s. Do you like it any greater?

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Unless it really is some thing grand like a Rolls-Royce Dawn, I’m not significantly of a convertible fan. The additional glare of prime-down driving hurts my eyes I really don’t like obtaining sunburned or having wind tussle my wispy hair as well as these cars are normally noticeably shakier than their fixed-roof counterparts. But the 2021 BMW M440i Convertible is compelling enough to make even a droptop hater like me imagine twice.


  • Amazing refinement
  • Potent acceleration
  • Silky inline-6

Will not Like

  • Uneven minimal-pace braking
  • iDrive 7 could be simpler.
  • Brash entrance conclusion

Obviously, this car’s most important attraction, and the function that most plainly separates it from the 4 Sequence coupe, is its folding fabric roof. This is a new addition that replaces the preceding convertible’s hardtop. The redesigned assembly is about 40{446c0583c78045abf10327776a038b2df71144067b85dd55dd4a3a861892e4fa} lighter than right before, which will help decrease the centre of gravity, however it also presents a small little bit more headroom inside. Transitioning the M440i from enclosed auto to open up-air cruiser (or vice versa) transpires in a curt eighteen seconds, some thing you can do at speeds up to 31 mph.

Keeping the M440i’s interior review-corridor quiet, even at highway speeds, its folding delicate prime options a flush-mounted rear window and various levels of insulation. Moreover, the intake technique, motor address and underbody are tweaked to enable limit ruckus. The exterior fabric prime is made available in two hues, standard black and Moonlight Black, the latter of which has a metallic shimmer.

Two engines are made available in the 4 Sequence convertible and every single is obtainable with rear- or all-wheel generate. A two.-liter turbo-four motivates 430i designs, however M440i variants like my tester function a spicy 3.-liter turbo I6. Real truth be instructed, the foundation engine’s 255 horsepower is probably more than enough, but it really is difficult to argue with the optional six’s 382 hp and 369 pound-ft of torque, which is routed to the pavement through an astute eight-pace automatic transmission. This combination can propel the M440i to sixty mph in five seconds flat, an extraordinary sprint time, however it feels even more rapidly than that. Depending on the wheel and tire combination, terminal velocity is either 130 mph or 155 mph, however with the prime down both are probably speedy enough to rip your hair plugs out. I currently have enough uncovered scalp to ever give this a test.

Making that up-level motor even more intoxicating is its silver-tongued exhaust observe and amazing refinement. From idle to redline, the factor is smoother than hand lotion, transmitting in essence zero vibration to the cabin. Aiding efficiency and fuel economic system, this straight-6 is augmented by a 48-volt electrical technique, which also will help iron out cease-start events, building them almost imperceptible. At decrease speeds, the motor also shuts off and the M440i glides along, which is wonderful, but devoid of any load on the drivetrain it changes the brake-pedal feel, building it a little bit of a challenge to cease efficiently at moments. The M440i options M Activity Brakes which includes four-piston entrance calipers and single-pot rears, and this setup presents amazing halting efficiency for day to day avenue use.

This 3.-liter turbo-I6 is an complete sweetheart, potent, sonorous and almost as easy as an electric motor. 

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I’m just about ashamed to confess this, but I essentially prefer the M440i convertible to the 2021 BMW M4. The auto is nevertheless incredibly rapid and participating devoid of the manic, boiling-about feel of its overcaffeinated sibling. This droptop’s entrance conclusion, while nevertheless a good deal — let us just say distinct — is much less in-your-facial area than what is fitted to the M3 sedan and M4 coupe. The entrance fascia is smoother and much less pronounced all-around the prime of kidney grilles and the titanium-colored accents (Cerium Gray in BMW parlance) search wonderful, primarily following to this example’s deep Tanzanite Blue II Metallic paint, which is a $1,950 possibility.

The M440i’s steering is rapid and specific, and for greater managing, the 4 Sequence convertible can be fitted with an Adaptive M Suspension technique, which involves ongoing damping adjustment at every single wheel. But even with the inventory suspenders this auto is entertaining to generate, placing a wonderful harmony concerning activity and easy. M440i illustrations also appear with an M Activity Differential, which equalizes torque concerning the left and right rear wheels for greater traction. This function is optional on the much less-strong 430i.

Whether the prime is up or down, this Bimmer feels impressively durable. Structural shakes and jiggles are barely obvious, even when driving about moon-cratered pavement, which is a single of my most important issues about convertibles. Fold the roof away to bask in Mother Nature’s glory and the M440i presents a serene driving expertise and a purring exhaust observe which is pleasantly pronounced devoid of being intrusive. Wind noise and buffeting are also nicely attenuated.

The 2021 BMW M440i Convertible’s interior is shiny and airy, suitably (if not overwhelmingly) high-class, way too.

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Even however it drives with a sharp edge, the M440i carries itself with dignity and restraint. This extraordinary refinement tends to make the auto a little bit misleading, as you’re always going faster than you imagine. Luckily, all this pace does minimal to effect fuel economic system. The M440i stickers at 23 mpg town and 31 mpg highway. Put together, it really is rated at 26 mpg, however in combined use I have been averaging 28 and alter, damn extraordinary efficiency for these types of a strong and porky auto (it is, just after all, 4,171 lbs of Bavarian goodness).

Settle in driving the wheel and this BMW coddles you with an properly high-class interior. This cabin isn’t going to blow my mind, but anything is sensibly laid out, the leather is of great good quality and there are a good deal of delicate products. The entrance bucket chairs are comfortable enough and the backseat, while it isn’t going to give sprawl-out legroom, is nevertheless a good deal roomy for adult passengers.

The 4 Sequence convertible comes common with an eight.eight-inch centre touchscreen and a five.1-inch instrument-cluster show. Stay Cockpit Qualified, which is made available as a standalone added or bundled in quite a few solutions deals, updates the most important display to a 10.3-incher and the gauge cluster to a twelve.3-inch panel. The previous is home to iDrive 7, an infotainment technique that is blazingly speedy but a minimal clunky. It truly is surely not a single of the a lot easier units to grasp, but after you do familiarize your self it functions nicely enough. If you really don’t feel like studying a new technique, Apple CarPlay and Android Car are both common and, for additional comfort, every single smartphone-mirroring technique can join to the auto wirelessly.

This M440i Convertible is completely ready for some enjoyable in the sun.

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Other common tech involves lane-departure warning with steering correction, forward collision warning, blind-place checking and rear cross-targeted visitors alert. Excellent automatic significant beams are also integrated at no added demand. Sadly, adaptive cruise manage with cease-and-go ability and targeted visitors jam support as nicely as a 360-degree camera technique and self-parking ability value added.

When it comes to dollars and cents, the 2021 BMW M440i Convertible starts all-around $65,000 which includes $995 in desired destination fees, which is about eleven grand richer than an entry-level 430i ragtop. With the $3,seven-hundred Government Package deal, the $1,300 Dynamic Managing Package deal, an $875 Harman Kardon sound technique and a couple other ancillaries, this instance checks out for $seventy four,870.

With its silky 6-cylinder motor, strong feel and crisp-however-refined dynamics, the M440i is a great luxurious auto and an superb convertible. Even however I nevertheless prefer enclosed motor vehicles, this droptop BMW places a smile on my facial area almost each individual time I generate it, a monumental accomplishment.