E46 CAN Bus

The CAN Bus on BMWs E46 chassis operates at a speed of 500kb/s

DME4 0x545

• Byte 0 - Bitfield For dash lights
  • Bit 0 - unused
  • Bit 1 - CEL
  • Bit 2 - unused
  • Bit 3 - CRU_MAIN_SWI
  • Bit 4 - EML
  • Bit 5 - unused
  • Bit 6 - check gas tank cap
  • Bit 7 - unused
• Byte 1 - Fuel consumption LSB
• Byte 2 - Fuel consumption MSB
• Byte 3 - Bitfield Oil And Cooling Ligts
• Byte 4 - oil temperature
• Byte 5 - unused on MS42 |
• Byte 6 - unused except in MSS54HP: oil level
• Byte 7 - unused