Prototypes of BMW’s first electric M3 are hammering the Nürburgring right now, wearing heavy camouflage that does nothing to disguise the car’s most obvious trait: it is wide. Very wide. Spy video captured by Carspotter Jeroen shows the quad-motor sedan attacking corners with visible aggression, its flared wheel arches stretching well beyond those of the standard i3 on which it’s based.
But width isn’t the number that should concern M3 loyalists. Weight is.
The standard BMW i3 50 xDrive already tips the scales at 2,205 kilograms, or 4,861 pounds. That makes it considerably heavier than any gasoline-powered 3 Series ever built. The electric M3, internally coded ZA0, adds two more electric motors to that platform, bringing the total to four, one at each wheel.
It also gets an M-specific battery pack rated at more than 100 kWh net. None of that comes free.
BMW knows it has a mass problem. The company has talked up natural fiber construction for the roof panel and mirror caps, the same kind of lightweight gesture M division has been making since it bolted carbon fiber onto the M3 GTS fifteen years ago. Shaving a few kilos off the roof while strapping an extra hundred to the floor is a familiar dance, and physics always leads.
Still, the performance numbers BMW is hinting at are staggering. Internal sources suggest the ZA0 will produce at least 800 horsepower. A rear-wheel-drive mode will completely decouple the front axle, giving drivers something closer to the tail-happy M3 character they’ve known for decades while simultaneously improving efficiency on highway cruises.
An M Performance variant slotting below the full M car could land above 600 hp with a dual-motor setup, potentially arriving in Europe before the end of this year as the i3 M60.
The prototypes appear to carry much of the styling from the M Concept Neue Klasse shown at Goodwood, including a split rear spoiler that BMW has confirmed will survive largely intact for production. The rear diffuser has been toned down from the concept’s aggressive treatment. That’s probably a mercy.
This electric M3 isn’t just launching a car. It’s launching a template. BMW has confirmed an X3 M with the same quad-motor powertrain will follow later in 2027, with an X5 M built on the older CLAR architecture getting the electric M treatment in 2028.
There are already whispers about an M3 Touring and an X4 M.
And then there’s the combustion M3. The next-generation gas-powered G84 isn’t expected until 2028 at the earliest, meaning BMW will sell an electric M3 for at least a full year before the inline-six version arrives. The G84 will share much of the ZA0’s styling but stretch the front end to accommodate the engine where the electric car has a frunk.
Two M3s, two powertrains, running simultaneously. BMW is betting it can serve both audiences without cannibalizing either.
The car arrives in 2027 with a price tag BMW hasn’t disclosed and a curb weight the company seems reluctant to discuss in specific terms. That silence is telling. An 800-hp electric sedan can mask a lot of mass in a straight line, but whether it can do the same through the Karussell is the question these Nürburgring sessions are trying to answer.
BMW’s M division has spent forty years building its reputation on the idea that a sedan can be both precise and visceral. The ZA0 will test whether that identity can survive an extra thousand pounds.
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