Become An Expert In 2020 Toyota Supra’s BMW-Sourced Engine

The legendary 2JZ 3.0-liter inline-six engine is in a big part responsible for the Supra A80’s fame, especially in range-topping 2JZ-GTE twin-turbo guise.

Interestingly, the new BMW-sourced 3.0-liter turbocharged inline-six (codenamed B58M30 01) produces a similar amount of power and torque as the 2JZ-GTE: 335 hp (340 PS) and 365 lb-ft (494 Nm) compared to 320 hp at and 315 lb-ft (427 Nm).

So does that mean the 2020 Toyota Supra’s engine has a similar shot at fame as the 2JZ-GTE? It’s obviously too early to tell, but Engineering Explained has put together a very detailed video which points out that the BMW engine has a closed-deck block that allows it to take high amounts of boost without any concerns. It’s a similar design adopted by some high-powered custom builds from Subaru.

Also watch: 2020 Toyota GR Supra’s BMW-Sourced Interior Is Very Premium

While that’s a good sign for those who want to squeeze more power from the engine, the fact that it has an alloy block as opposed to the 2JZ’s indestructible iron block probably means the B58 won’t be able to take that much extra horsepower. Something that will also raise some eyebrows in the aftermarket world is the fact that the B58 has spray-on cylinder liners which don’t allow re-machining and sleeving.

There are many more interesting things you can learn about the 2020 Toyota Supra’s 3.0-liter engine, such as the way twin-scroll turbocharging works. The video dissects the new Supra’s six-cylinder unit in great detail and makes for a very interesting, and unusual, viewing.


  • ErnieB

    The Supra is the most irritating car currently in existence.. SMH..

  • Mr. EP9

    EE as expected.

  • Sterling Ross

    Neutered the car and want you to buy it for a 100,000$ over msrp. Thanks for ruining everyone’s day.

  • Bo Hanan

    Anyone with a BMW “whatever-35 (now 40) i” knows about this engines tuning potential.
    Nothing new here.

    • SteersUright

      Which is nothing special. Like any turbo engine, you can dial up boost and gets oodles of power, shortening powertrain life accordingly.
      This is not equivalent to the iron-block engines of yesteryear that, though much heavier, could handle much more boost, heat stress, and power. This is, however, far more fuel efficient, lighter, and more refined.

      • Matt

        Still being a closed-deck block is a massive advantage over an open-deck design for durability at higher boosts.

  • Wandering_Spirit

    At this stage they could well merge the two companies and make Supra a sub would-like-but-cannot-reach knock-off of the M division with a vague Japanese taste. Chassis, switches, engine…Call it BMWupra

  • Sjaak

    We waited sooooooo long for this TOYWOMBAT.

    We were teased like idiots.

    And all that for this “sublime” result.

    Yes, they truly believe we are idiots.

  • maxnix

    The engine you specified is the engine 2020 BMW Z4 MDrive40i for the North American market.

    The engine in the 1919 Supra Mk.V Supra is the B58B30C with less horsepower.

  • maxnix

    Actually, the B58 is probably the most reliable and efficient turbo I6 engine extant. Toyota engineers are not fools like some posters here.

  • Infinite1

    I’d rather have a BMW…Oh wait…

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