2026 BMW X6 M60i Specs

The "M" Engine in Disguise.

There is a secret hiding under the hood of the 2026 BMW X6 M60i.

In previous generations, the "50i" or "M50i" models used a standard corporate V8. But for the 2026 M60i, BMW has done something radical. They have installed the S68 engine, the exact same 4.4-liter Twin-Turbo V8 found in the full-blown X6 M Competition and the XM super-SUV.

It is simply "detuned" for daily drivability. For Knoxville enthusiasts, this means you are buying genuine M Division hardware for roughly $30,000 less than the price of an X6 M.

Here is the technical breakdown of the most powerful non-M X6 ever built.

The Heart: S68 4.4L Twin-Turbo V8.

The S68 is a clean-sheet design, built from the ground up by the M Division.

  • Cross-Bank Exhaust Manifold: Unlike traditional V8s, the exhaust pipes cross over the engine valley to feed the turbos. This eliminates "turbo lag" by creating a constant stream of exhaust pressure, resulting in instant throttle response on Kingston Pike.

  • Mild Hybrid Integration: A 48-volt electric motor is integrated directly into the transmission housing. It adds virtually no weight but provides an instant torque fill (up to 147 lb-ft) while the turbos are spooling up.
Performance Data: By The Numbers.

Don't let the "detuned" label fool you. The M60i is a rocket ship.
Specification2026 BMW X6 M60i xDrive
Engine CodeS68 (M Division Developed)
Horsepower523 HP @ 5,500 RPM
Torque553 lb-ft @ 1,800–4,600 RPM
0–60 MPH4.2 Seconds
Transmission8-Speed Sport Automatic with Launch Control
DrivetrainxDrive Intelligent All-Wheel Drive
ExhaustM Sport Exhaust System (Standard)

Handling: Integral Active Steering (Standard).

The X6 M60i weighs over 5,000 lbs, but it corners like a 3 Series thanks to Integral Active Steering, which comes standard on this trim.

  • Low Speeds: The rear wheels turn opposite the front wheels (up to 3 degrees). This drastically shrinks the turning radius, making U-turns on narrow Knoxville streets incredibly easy.

  • High Speeds: The rear wheels turn in the same direction as the front wheels. This virtually extends the wheelbase, providing rock-solid stability when changing lanes on I-75

Design: The "M" Difference.

Visually, the M60i separates itself from the standard 6-cylinder models with aggressive cues:

  • M Mirrors: The aerodynamic "twin-stalk" side mirrors, previously reserved only for full M cars.
  • Grille Badge: An "M" badge is now embedded directly into the kidney grille.
  • Quad Exhausts: Four real exhaust pipes out back (unlike the fake trim pieces found on competitors).

Why This is the "Smart Buy".

The full X6 M Competition offers 617 horsepower, but the suspension is stiff and the price tag is significantly higher. The X6 M60i gives you 85% of that performance with a suspension that is compliant enough for daily driving in Tennessee. It is the "Goldilocks" of the lineup, ferocious when you want it, and comfortable when you need it.