My father works as a Professor in Computer Science at a University close to the X5 plant in SC. He was telling me that they often consult with BMW about throughput issues and the like with their buses. When I bought mine, he told me it was going to have weirdo electrical problems because the bus just can't handle all of the many inputs that BMW has put it under.

Porsche and Audi have switched to a fiber optics bus to solve the problem...I wonder if the E70 has one to cope with as well?

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Scott in Cincy
2008 X5 4.8 (wifey)
2009 AMG E63 (Daily Driver)
1997 Porsche 993 Turbo
1968 Mustang GT Fastback -- Resto Project
1969 Firebird 400 -- Resto Project (Trans Am Replica)
1996 Saturn SC2 -- LeMons Racecar!