F91 · M8 Competition Convertible

What the BMW F91 Is

The BMW F91 is the convertible variant of BMW's M8 range, produced from 2020 to 2025. It sits at the very top of the 8 Series family as a full-blooded M car with a folding soft top, combining true supercar performance with the everyday usability and luxury that defines BMW's grand tourers. Where the coupe wears the F92 code and the four-door Gran Coupe the F93, the F91 is reserved specifically for the open-top M8.

Built on BMW's flagship platform, the F91 shares much of its DNA with the broader 8 Series and 5/7 Series architecture. If you want to understand how it fits into the wider lineage, the BMW DNA overview traces how M's flagship grand tourers evolved from earlier big coupes and convertibles.

Models and Body Styles

In the US market, the F91 was offered in two closely related configurations, both convertibles:

• M8 Convertible — the standard high-performance drop-top.
• M8 Competition Convertible — a more aggressive tune with additional power and sharpened chassis calibration.

Both cars use a retractable soft top designed to preserve trunk space and keep weight in check, and both deliver the signature M8 blend of straight-line ferocity and long-distance comfort. You can confirm the exact build, options, and production details of any specific car using our VIN decoder.

Engines and Drivetrains

Every F91 is powered by BMW's S63 4.4-liter twin-turbocharged V8, one of the most potent engines M has ever produced. In Competition trim it produces even more output, and power is routed through an eight-speed automatic to BMW's M xDrive all-wheel-drive system. Crucially, M xDrive includes a rear-wheel-drive mode, letting drivers switch off the front axle for a more traditional, tail-happy character when conditions allow.

The result is a convertible capable of genuine supercar acceleration while remaining planted and confident in poor weather — a combination that few open-top rivals match.

Owning and Buying an F91

As a recent, low-volume flagship, the F91 remains a modern used-car proposition rather than a classic. Buyers should prioritize documented service history, evidence of proper warm-up and cool-down habits given the twin-turbo V8, and confirmation that the folding roof mechanism operates flawlessly. Tires, brakes, and consumables are performance-grade and priced accordingly, so factor running costs into any purchase.

Enthusiasts cross-shopping BMW's earlier grand-touring convertibles may also want to study the outgoing E64 6 Series Convertible and its E63 coupe sibling for context on how far the formula has come.

Bottom Line

The F91 M8 Convertible is a rare, powerful, and refined open-top flagship — one of the most complete high-performance convertibles BMW has ever built.