BEAUTIFUL AND INTELLIGENT – THE WHEEL RIMS
"The wheel rims of the i4 have a very unusual design, not least because they have to bring various worlds together. On the one hand, they have to carry large, robust tyres that suit the dynamic of the BMW i4 and can take sharp bends. On the other, they have to be efficient, flat and aerodynamic without blocking the air flow that cools the brakes.”
"It’s hard to believe, but when it comes to rims, all kinds of demands come together and all of them are important. In this situation, it’s good that we designers aren’t too heavily involved with the technology, because this means we can rethink these processes from a distance. Where rims are concerned, I have to mediate between engineering, performance, dynamics and aesthetics.”
"In the case of the BMW i4, this means that the classic rim shines through in the background, and its appearance has been radically changed by the application of futuristic aluminium parts. This is a good example of how the racing world and futuristic efficiency can come together. Besides making the tyres stand out visually, this design also makes the rims incredibly practical. And they’re such a striking design feature of the i4 that you can recognise the car by its tyres alone.”
EFFICIENCY NOT EMPTY SPACE
"The aero diffuser is a special design feature in many respects, and symbolises both the soft transformation and the sportiness of the car. In fuel burners, the exhaust is indispensable and emphasises the car’s performance. In the future, there will be an empty space there, and for the i4 we deliberately fill it with efficiency."
"Large diffusers for better aerodynamics are familiar from motor sport, and the same principle is applied to the BMW i4. The diffuser replaces the exhaust system with an efficiency that also looks very sporty. The diffuser is also a good example of how electromobility doesn't have to mean doing without. We give a familiar, much-loved element a better purpose, and I think that drivers will be happy about the extra enjoyment this will give them.”