German tuner Manhart isn’t really known for its subtlety in modifying cars—it prefers excessive amounts of carbon fiber and garish stickers as its signature approach. Take its MH4 GTR II, for example—essentially it’s a BMW M4 CSL with 692hp and a blacked-out bodykit that could make Batman feel self-conscious.
And yet, there may be a glimmer of hope for those who want to work on their M4 but don’t fancy giving it the full ‘watch this’ treatment. With the MH4 600 that you see above, Manhart concedes that “the eye-catching, extroverted appearance is not to everyone’s taste.” Hurrah!
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The M4 Competition’s 3.0-liter twin-turbo straight-six has still been worked on, though. Thanks to a new ECU, power is up from the standard 503hp to a mighty 626hp, and torque jumps to 780Nm from 649Nm. There’s a new stainless-steel exhaust setup, plus a choice of lowering springs from either H&R or KW.
Manhart reckons the engine is where it was allowed to “let off steam,” whereas changes to the exterior are remarkably restrained. The carbon front lip and side skirts come from BMW’s own M Performance Parts range, as do those lovely gold-painted forged wheels which measure 20 inches up front and 21 inches at the rear. Pretty sensible sizes these days.
The carbon grille insert is Manhart’s own design, along with the rear diffuser and little wing inserts ahead of the doors. We have to admit we’re not averse to any of the additions. Must have been tough for Manhart to not slap a massive wing on the back, though, so expect its next creation to be totally bonkers…











NOTE: This article first appeared on TopGear.com. Minor edits have been made.