Quote:
Originally Posted by AiredaleDad
True. I always felt BMW Underrated their engines for some reason. I wouldn't be surprised if their claimed 375 HP is more like 450. The B58 is also found in so many different HP ratings in so many different vehicles as well. I just wish they made an option or a kit for the exhaust pipes to come out the back like the previous versions and the M5. Maybe MSport will come out with one.
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The B58 usually dynos about 25-30hp higher than quoted figures, so if we transfer that to the new car, it should be right around 400 hp, which sounds about right.