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      01-23-2012, 10:15 AM   #35
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Dackelone's Avatar

Drives: N54 e82
Join Date: Feb 2010
Location: Bayern, Germany

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Originally Posted by wolfe View Post
Just curious; do you think larger rims will affect the range much?

I switched from 17" to 18" on my 128i, and even though they are supposedly about equal in weight, I definitely feel the car is a little less quick to pick up speed now.

I heard the same thing from the German 1er forum guys. This is why they stay with 17"s - for better acceleration.

Also it's a sure bet that BMW's ActiveE has low (rolling) resistant tires. The so called: "energy" or "Eco" tires. These eco tires can really extend a car's MPG (fuel consumption) by reducing tire drag. For an electric car I think trick tires are in order. I would not be surprised if the alloy wheels are of some exotic ($$$ and light) alloy.