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 N
2006 BMW X3 (E83) (CANADA) L6-2.5L (M54)
Signal Names With N
2006 BMW X3 (E83) (CANADA) L6-2.5L (M54)SECTION Signal Names With N
NAVB Navigation, video signal, blue
NAVG Navigation, video signal, green
NAVR Navigation, video signal, red
NAVB31 Navigation, video signal, blue, ground
NAVG31 Navigation, video signal, green, ground
NAVR31 Navigation, video signal, red, ground
NAV bus Navigation bus
NAVNF Navigation, AF signal
NAVNF31 Navigation, AF signal, ground
NG Pitch sensor
NIV-I Ride level control inactive
NS Cam-op. switch, ADV actuation
NTC temperature sensor
NTCBF Temperature sensor, passenger's seat
NTCFA Temperature sensor, driver's seat
NTCHL Temperature sensor, seat, rear left
NTCHR Temperature sensor, seat, rear right
NTCLWS+ Temperature sensor, latent-heat acc. +
NTCLWS- Temperature sensor, latent-heat acc. -
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.