New BMW M5: Guess How Much Power It Really Makes

BMW F90 M5

BMW has been known to be conservative with its horsepower ratings. A lot of the automaker’s vehicles produce more power than the brand lets on. It looks like the same is ringing true with the new BMW M5.

The F90 M5 is the most expensive and fastest vehicle in the brand’s history to wear the iconic nameplate. Power for the sedan comes from a 4.4-liter twin-turbocharged V8 that produces 600 (447 kW) horsepower and 553 pound-feet (748 Nm) of torque. Those figures, though, are from BMW and, as the dyno run below shows us, should be taken with a massive dose of salt.

It actually produces a lot more

IND Distribution (via BMW Blog), an Illinois-based tuner that specializes in making fast BMWs, put a M5 on a dyno and got some surprising numbers. The tuning company followed the proper break-in procedures, waiting for the vehicle to cover roughly 1,200 miles, and let the twin-turbo V8 loose. Surprisingly, they recorded a figure of 625 hp (466 kW) and 608 lb-ft (824 Nm) of torque at the wheels.

IND’s best run took place in fifth gear with the BMW in its Sport Plus setting. The tuning company also did a run with the sedan in its Eco Mode and found that the performance vehicle only reduces its output by approximately 15 hp (11 kW). When put into Sport Plus mode and its rear-wheel-drive setting, the M5 maxed out at 152 mph (244 kp/h) and generated a maximum output of 593 hp (442 kW) and 578 lb-ft (783 Nm) of torque.

The findings are good news for enthusiasts waiting to get heir hands on a M5 that’s equipped with the Competition Package, as that vehicle is expected to put out 616 hp (459 kW). It’s also good news for tuners, as the M5 becomes a real beast with a few performance parts.

 

  • Christian

    i’m guessing 598 bhp?

  • Bo Hanan

    And still not enough to whip the E63S, nevermind the soon to be released Black-Series and “R.”

    • B.Stokes

      A Black Series and R version of the E-Class?

      • Bo Hanan

        No, the Burger King deluxe meals.

        • B.Stokes

          Since you’re so smart Mercedes has never made a black series or R version of the E-Class or any Merc 4 door, nor have they ever said they would so you have no clue what you’re talking about. M5 will have a competition pack witch competes with the E63s not the base M5.

          • Jay

            What i love in car boards are people who have like a base model of brand X chirp as if their brand of choice can outperform another in one way or another, as if its some mental horsepower gain on their C class.

        • Jay

          And how will you be serving this to us, do we roll up to your drive through window?

    • bd0007

      The M5 is the better handling machine; the E63S is more like a German muscle car.

  • smartacus

    Now that we know the actual output,
    we can deduce the higher output
    figures expected in the 8-Series
    will simply be a publishing of
    more accurate numbers.

  • biturboism

    You have an error in the article, in the video it says 625hp @ the crank, NOT the wheels, as you have written. It’s very significant.

  • Dennis James

    Such a drivetrain would be worthy of a better exterior design.

  • Harry_Wild

    More power a BMW has more time and cost for service and repairs! The X5M is a killer in this category. It will be over $100K base price too! Think $120K fully loaded.

    • Jay

      Being a BMW guy of sorts, a car guy more so… who really buys a BMW or any luxury car north of 70k? If you have that sort of money that would be pretty dumb to drop on such a depreciating asset. Only makes sense on exotics that hold value longer- those guys are lucky as hell.

  • Kaisuke971

    The M5 on Carwow was a customer car, which means it might not have had its first service so its power could have been limited. Hence why every where else they either say « The M5 feels quicker/faster » or in the actual test the M5 performs better. Someone else dynoed their M5 before the first service and it was putting just about 600 hp at the crank

  • Stealth333

    Too slow. It should have around 700HP, c’mon it’s 2018 YO!

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