2021 Manhart MHX3 600 - story fullscreen Fullscreen

2021 Manhart MHX3 600

635 horsepower and a very cool matte look are what the BMW X3 M Competition needed!

With 503 horsepower under the hood, the BMW X3 M Competition is one of the most powerful compact SUVs out there. Plus that, it is also quite decent looking.

But in true Manhart spirit, there was something about the X3 M Competition that needed to be updated too. The result? MHX3 600! You would think that the 600 stands for the amount of power under the hood, but it is not, as the MHX3 600 in fact delivers a total of 635 horsepower!

Let’s find out how that was even possible!

What changes were made under the hood?

2021 Manhart MHX3 600 Drivetrain
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Changes started under the hood, where Manhart added a MHtronik auxiliary control unit

In its standard form, the BMW X3 M Competition is powered by a 3.0-liter, six-cylinder twin-turbocharged engine that delivers a total of 503 horsepower and 479 pound-feet of torque.

The MHX3 600 comes with a few changes under the hood that will add another 130 horsepower! It all started with a MHtronik auxiliary control unit, a new stainless steel exhaust system with valve control and downpipes with 300-cell catalytic converters.

2021 Manhart MHX3 600 Exterior
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The result is a total of 635 horsepower and 578 pound-feet of torque.

No words on how these updates change the car’s performance figures, but we expect the MHX3 600 to go from 0 to 60 mph in less than the standard 3.7 seconds.

What other changes are offered?

2021 Manhart MHX3 600 Exterior
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Manhart is also improving the exterior look of the X3 M Competition a little bit. The tuner offers a carbon fiber body kit that includes a new splitter, side flaps, and skirt inserts for the front, mirror caps, and a rear diffuser. But, what we really like about the MHX3 600 is that cool-looking Matt Dark Blue foil that covers the entire body!

2021 Manhart MHX3 600 Exterior
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The car rides on a new set of 22-inch alloy wheels designed by Alpina and wrapped in 255/35ZR22 and 295/30ZR22 tires.

The suspension was also upgraded with H&R springs so the car now sits 30 mm closer to the ground.

And, the good news is that all these updates can also be applied to the BMW X4 M Competition.

Alina Moore
Alina Moore
Alina Joined the Topspeed.com team in the early 2000s as one of the outlets very first experts, and she’s been with Topspeed.com ever since. Over the years, she’s served various roles, but today she’s is relied on heavily to verify automotive facts, assist with formatting, and discover new and engaging topics.  Read full bio
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