BMW is already testing the upcoming M3 sports sedan, codenamed G84, at the Nürburgring. The new model is expected to keep its traditional twin-turbo, 3.0-liter inline-six engine and could launch around 2028. This move confirms BMW’s commitment to combustion engines amidst the rise of electric models.
Engine and Powertrain
The new M3 will likely continue using a refined version of BMW’s well-known 3.0-liter twin-turbo inline-six engine. According to BMW’s management, the six-cylinder format will remain, ruling out a switch to a V6 or a plug-in hybrid setup like the M5.

- Expected to feature mild-hybrid technology for better emissions
- Could be offered with all-wheel drive and automatic transmission exclusively
- May include advanced pre-chamber ignition technology recently introduced in Europe
Design and Features
The prototype spotted is heavily camouflaged but reveals flared fenders characteristic of a full M3 rather than an M Performance model. While it doesn’t have the extreme styling of the M Concept Neue Klasse, some design cues are expected to carry through.

- Fixed all-glass panoramic roof is apparent on the prototype
- Double-yellow headlights and stacked cube-shaped lights to feature on all future M models
- Lightweight roof option made from flax-based natural fiber composites may be available
Production Timeline and Future Models
The new M3 is not expected to launch before 2028, with the current generation remaining in production until 2027. BMW is also developing a new combustion-powered 3 Series Touring that might come to markets like the United States, where the current M3 Touring is not sold.

Why It Matters
As electric vehicles gain prominence, BMW’s ongoing commitment to the inline-six engine in the M3 shows the brand’s intent to balance tradition with innovation. The upcoming M3 could be one of the last combustion models in this format, making it a significant release for enthusiasts and supporters of petrol-powered sports sedans.
Source: motor1.com