513 HP Black On Black BMW M4 Cabrio Looks Menacing
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513 HP Black On Black BMW M4 Cabrio Looks Menacing

The new generation BMW M3 Sedan and M4 Coupe will be uncovered on the 23rd this month, but the M4 Convertible is still a few months away, apparently, so until it breaks cover, Barracuda and their partners at Cardiologie have introduced a few aftermarket upgrades for the current model.

The most important tune concerns the twin-turbo 3.0-liter inline-six engine, which boasts a Stage 1 software optimization that has raised output from 425 HP (431 PS / 317 kW) to 513 HP (520 PS / 382 kW), and torque from 406 lb-ft (550 Nm) to 502 lb-ft (680 Nm).

Read Also: Manhart’s BMW M4 Convertible Mixes OTT Looks With 690 HP

The top speed limiter has also been removed, allowing the M4 to max out at over 300 km/h (186 mph), up from the stock car’s 250 km/h (155 mph). There is no reference to the new 0-62 mph (0-100 km/h) sprint time, but the stock open-top M4 needs 4.4 seconds when equipped with the seven-speed dual-clutch transmission.

Now, as Barracuda is one of the companies behind the project, it is only natural that it sports its wheels. In this case, the 9×20-inch front and 10.5×20-inch rear rims, hugged by the 265/30 and 285/30 tires, respectively, are dubbed the Karizzma, and feature a Y-spoke pattern and matte black paint finish, a shade applied to the four tailpipes as well, which complements the rest of the exterior. In fact, the only contrasting accents are the blue brake calipers, a color also used for the stitching inside.

The final upgrade is the Eibach sport springs, which have improved the stance of the M4 Convertible by lowering its ride height.

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