The last time the Dinan name graced the pages of Autoblog, Michael Harley was waxing poetic about the S3-R BMW 1M Coupe, a car that still stands in his ranks as one of the best cars he's ever driven.

We love the 5.0-liter V10 from BMW. Besides having an affinity for any ... to induce all sorts of tail-wagging fun from the outgoing M5. That doesn't mean there's not room for improvement, however.

If you're in the market for a super sedan with 717 horsepower, you won't have to expand your budget for the 2026 model.

Dinan's newest iterations won't completely overwrite our recollection of the fantastic massaged and high-revving E39 M5 and E90 M3 V-8s ... and 668 pound-feet from BMW's twin-turbo 3.0-liter ...