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The M340d stands out as a unique and relatively obscure gem, especially in the context of performance diesel cars in 2023. Limited to certain markets, this rare sports sedan faces only one true rival – the European version of the Audi S4 TDI. While it already received updates in the form of a Life Cycle Impulse and an optional carbon fiber roof last year, the M340d has now undergone a remarkable transformation courtesy of the renowned German tuner, Manhart.
Manhart has taken the M340d LCI’s inline-six diesel engine and unleashed its true potential, boosting it to an astonishing 380 horsepower and an immense 770 Newton-meters (568 pound-feet) of torque. This considerable power upgrade surpasses even the formidable ALPINA D3 S, which boasts 355 hp and 730 Nm (538 lb-ft) of torque. Though specific performance figures remain undisclosed, there’s no doubt that the M340d LCI, with its twin-turbo B57 engine, is now faster than its BMW and ALPINA counterparts, which reach 62 mph (100 km/h) in 4.6 seconds.
The amped-up M340d LCI is visually unmistakable with its quad exhaust tips, bespoke 20-inch wheels, and lowered stance, thanks to H&R springs. Carbon fiber additions adorn the body, elevating its sporty appearance even further. Inside the cabin, you’ll find illuminated door sills, carbon shift paddles, and a carbon seat-back cover, all reinforcing the car’s performance-oriented identity.
While the allure of the M340d LCI is undeniable, the future of this powerful diesel machine remains uncertain due to increasingly strict emissions regulations. However, for enthusiasts who relish abundant low-end torque, impressive fuel efficiency and enjoy covering long distances on the highway, the M340d LCI stands as an excellent all-rounder – with the added practicality of a Touring variant for those seeking even more versatility.
