Here's Another F90 BMW M5 Making More Power Than Advertised
The latest version of the M5 seems to have picked up where the F10 left off - making more power than BMW's official figures
BMW hasn’t stopped being conservative with the M5’s power output now the new all-wheel drive version is here. The old F10 was famous for producing far more than its 552bhp official output (many made more like 600), and sure enough, the discrepancies are continuing with the ‘F90’.
Its 4.4-litre twin-turbo V8 supposedly makes 592bhp at the crank, but in this dyno test from tuning firm Evolve Automotive, an F90 is seen developing 631hp (624bhp). That’s not quite as dramatic a leap as we saw in another dyno video posted earlier this year - which resulted in 625hp at the wheels - but still, that’s impressive.
It may yet develop more as the engine loosens up, and in any case, 624bhp is more than enough for most…
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If his is true hen why does it accelerate slower than an E63 AMG? It also has awd, is heavier and less powerful according to this, yet is faster in a straight drag race as proved by carwow. I’m really starting to question these dyno videos.
Torque, I’m guessing. It’s also likely that Mercedes’ power figures are a slight understatement.
It doesn’t accelerate slower. Plus, the E63 has more torque.
At Caranddriver it was faster…
That was one drag race, most other drag races have shown the M5 to be faster. A lot of people find the car wow one questionable because the M5 looks like it jerks at the beginning, as if the accelerator was mashed, let go, and mashed again. The M5 is the faster car, timed runs have shown that. It’s lighter and gets the 1/4 mile done quicker
Conventional auto for a start - the Merc has a double clutch system.
This isn’t anything special. It’s cool but nothing abnormal. The German brands like BMW, Mercedes, Audi do this all the time. The power figure they put on there brochures is in worst case scenario, so with bad fuel and in different weather conditions. So here in Europe with our nice fuel they are likely to make more power. And E63S makes power like this as well, around 630-640hp. At least, somebody with an engineering background told me this :)
If the engines are handcrafted, it could explain the power difference. Could be the dyno settings as well or german brands saving money for special editions
Theyre preparing the cars so that when top gear uses them 10 years later, they would have lost the least amount of power.
Ugh… TopGear…
Here’s Car Throttle, now with more bugs on the site than advertised!
Maybe I am missing something here, but your 630HP result is based of WHP and you applied a powertrain loss/correction factor… So basically you dont know and cant know the real HP the engine is making. The only valid data is the comparation between the 2 models since they were run on the same dyno. Please correct me if I am wrong or missed some info in the video
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