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  Concept bikes are exercises in design creativity. Here is a sketch of one of BMW's concept bikes. Note the bubble style gas tank and large rear cowling.
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  Designers look at bikes from all angles. Note the offset gas cap on the overhead view, with the notation, "cultivate asymmetry". Asymmetry is a consistent theme in the R1100S design, as is a lean, narrow look.
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  Here is a fairly radical concept bike. The designer is thinking about airflow, as well as some other things.
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  Every bike needs a rider, and here the designer speculates on what the rider might look like.
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  Here's another concept machine, with a taller, more curvaceous look.
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  The BMW logo serves as a background for this sketch.
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  Sketch for the R1100S Instrument Panel. The asymmetrical panel complements the offset gas filler cap seen in an earlier drawing.
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  Accessories are part of a bike's design too. Here the designer shows how all the details fit together for an integrated look.