Embedded Processors, Part One
By: Jim Turley
January 11, 2002
The average new car has a dozen microprocessors in it. If you have a 7-series BMW, congratulations are in order: you have 63 microprocessors in your new car. Don't feel too proud, though. The Mercedes S-class has 65.
http://www.inf.pucrs.br/~calazans/graduate/SDAC/embedded.pdf