Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSBMW2006X3 (E83) (CANADA) L6-2.5L (M54)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULEDIAGRAMSDIAGRAM INFORMATION AND INSTRUCTIONSSIGNAL GLOSSARYSIGNAL NAMES WITH C
2006 BMW X3 (E83) (CANADA) L6-2.5L (M54)
Signal Names With C
2006 BMW X3 (E83) (CANADA) L6-2.5L (M54)SECTION Signal Names With C
CA Crash signal, MRS
CAN-H CAN High
CAN-L CAN Low
CD-BUSMA description currently being written
CD-BUSSI description currently being written
CD-CLOCK CD clock
CD-DBUS+ CD databus +
CD-DBUS- CD databus -
CD-ENA CD enable
CD-GMASS description currently being written
CD-NF31 CD AF ground
CD-NFL+ CD AF left +
CD-NFL- CD AF left -
CD-NFR+ CD AF right +
CD-NFR- CD AF right -
CD-RESET CD reset
CDTMCL+ CD or TMC AF left +
CDTMCL- CD or TMC AF left -
CDTMCR+ CD or TMC AF right +
CDTMCR- CD or TMC AF right -
CODE Code function of on-board computer
COIL_H Comfort valves, rear axle
COIL_HK Comfort valves, rear axle
COIL_HN Normal valves, rear axle
COIL_VK Comfort valves, front axle
COIL_VN Normal valves, front axle
COMP_X Magnetic-field probe, X component
COMP_Y Magnetic-field probe, Y component
CS Crash sensor
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.