By now more or less everyone has made a decision about the XXL front grille of the new BMW M3 and M4, which you may like or not like. And here the design has caused so much sensation (even going so far as to design a new M4 with a smaller grille) that the components behind the grille are overshadowed.
So BMW decided to take the matter directly and show “why” a double kidney of this size was needed by removing the bumper and exposing the mechanical elements that occupy the front overhang.
Balance between design and utility
It is immediately clear that most of the large air intake is occupied by the radiators for cooling important components, but this is not surprising. Yet it goes beyond just managing the temperature, because BMW has also spent a lot of time protecting delicate components for days on the track.
As seen in the video, there is a kind of “bash bar” which serves to protect the radiators from possible damage from stone chips, as well as minor modifications for the brake lines.
Another interesting feature of the cavity behind the double kidney is a series of control surfaces under the bodywork to improve cooling. Plus, since the oil cooler is the lowest in the front fascia, there is also a lower flap that serves to create “negative pressure” in the air just below it.
This video is more useful than you might think, because sometimes we tend to forget that manufacturers have to work hard and in harmony to build a car that not only looks good, but also performs well.
And indeed, for the most passionate, it is pleasant to know that the Casa dell’Elica still works so hard to build a car not only around luxury, technology and touchscreens, but also for driving pleasure.
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