Proteus adapter for e46 non-M3 BMW

(E39 m54 should be the ms42/43 like the e46, E39 ~= E46)

https://github.com/rusefi/rusefi/wiki/BMW-e46

134 pin + Nissan board outline

https://raw.githubusercontent.com/wiki/rusefi/rusefi/OEM-Docs/Bmw/3_Series_e46/2002_bmw_325_ecu.png

https://docs.google.com/spreadsheets/d/16_VjNrk-DbMP_yDqGFelwavrGfiC9wFp73RgForjQzM