G-Power turns the BMW M5 into a 1,000 hp beast and proves electrification didn’t kill tuning

From “already absurd” to completely unhinged

On paper, the latest BMW M5 G90 is already an engineering statement. With 727 horsepower and 1,000 Nm of torque, it sits firmly in a category that makes everyday usability almost ironic. It’s a car you can drive to a business meeting… and then casually outrun half the Autobahn on your way home.

G-Power takes that idea and pushes it into entirely different territory. Their most extreme package now delivers up to 1,013 horsepower and 1,200 Nm, turning BMW’s plug-in hybrid super sedan into something that starts to blur the line between executive express and hypercar.

And perhaps the most interesting part is not the number itself, but what it represents. Because it shows that even in a hybrid era, there is still a huge amount of untapped potential left inside combustion-based performance platforms.

This is not just software, this is engineering

It would be easy to dismiss this as another ECU tweak with a flashy number attached to it, but that would completely miss the point. G-Power goes far beyond software.

The full GP-1000 package includes revised downpipes with sport catalytic converters, a complete Deeptone exhaust system, upgraded intercoolers, and a carbon intake setup designed to improve airflow and thermal stability. In other words, this is about allowing the engine to breathe properly under significantly higher loads, rather than simply forcing more power through the same hardware.

The result is not just more performance, but a car that is engineered to actually sustain it. And yes, it also brings back something many modern performance cars have slowly been losing: a sense of mechanical drama.

Choose your level of madness

Not everyone is ready to jump straight into four-digit horsepower territory, and G-Power knows that.

That’s why the upgrade path starts more “conservatively”, with 850 horsepower available without hardware changes, before stepping up through 900 and 950 horsepower configurations, eventually leading to the full GP-1000 build.

But let’s be honest. If you’re already here, you’re not stopping halfway.

The numbers we don’t need to see

Interestingly, G-Power hasn’t released full performance figures yet. But they don’t really need to.

A standard M5 already reaches 100 km/h in around 3.5 seconds, and more importantly, delivers brutal mid-range acceleration. Add nearly 300 extra horsepower, and it’s safe to assume that the real difference will be felt in those relentless high-speed pulls where the car simply refuses to stop accelerating.

Power comes at a price and that’s the point

The full GP-1000 package comes in at €31,297 before optional extras, which can quickly push the total even higher depending on how far you want to take things.

It’s a serious number. But then again, so is the car it’s based on. And in this segment, price is rarely the limiting factor, identity is.

AutoNext Take

What G-Power is doing here is actually more important than the headline figure. Because it proves that electrification hasn’t killed tuning culture, it has simply raised the ceiling.

The new M5 was already controversial for being heavier, more complex, and partially electrified. But this kind of build shows the flip side: more technology also means more headroom, more flexibility, and ultimately, more extreme outcomes.

At the same time, it raises an uncomfortable question. At what point does more power stop making sense? Because a 1,000 hp sedan is no longer about usability, efficiency, or even performance in the traditional sense. It’s about expression. About pushing boundaries simply because you can. And maybe that’s exactly the point.