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 MANUALSBMW2004325CI CONVERTIBLE (E46) L6-2.5L (M56)REPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - ACCESSORIES AND OPTIONAL EQUIPMENTTECHNICAL SERVICE BULLETINSCUSTOMER INTERESTNAVIGATION SYSTEM - MK3, DIFFICULTY CODING
2004 BMW 325Ci Convertible (E46) L6-2.5L (M56)
Navigation System - MK3, Difficulty Coding
2004 BMW 325Ci Convertible (E46) L6-2.5L (M56)SECTION Navigation System - MK3, Difficulty Coding
SI B 84 03 03
Phone, Navigation Systems
January 2003
Service Engineering
SUBJECT
MK3 NAV Coding Problems
MODEL
E38 (7 Series), B39 (5 Series), E46 (3 Series), B52 (Z8), B53 (X5)
SITUATION
After replacing an MK3 NAV computer or recoding an MK3 NAV computer the coding of the module may fail and "Error code: 1043" will appear at the DISPlus/GT1 screen.
"This fault is caused by faulty coding data contained in DIS version "CD31 Update # 4" or "CD 32.0".
PROCEDURE
In the case the coding of an MK3 NAV does not work, use a DISPlus/GT1 loaded with DIS "CD31" but riot loaded with DIS "CD3 1 Update # 4" to get the module coded.
WARRANTY INFORMATION
For information only.
Phone, Navigation Systems
January 2003
Service Engineering
SUBJECT
MK3 NAV Coding Problems
MODEL
E38 (7 Series), B39 (5 Series), E46 (3 Series), B52 (Z8), B53 (X5)
SITUATION
After replacing an MK3 NAV computer or recoding an MK3 NAV computer the coding of the module may fail and "Error code: 1043" will appear at the DISPlus/GT1 screen.
"This fault is caused by faulty coding data contained in DIS version "CD31 Update # 4" or "CD 32.0".
PROCEDURE
In the case the coding of an MK3 NAV does not work, use a DISPlus/GT1 loaded with DIS "CD31" but riot loaded with DIS "CD3 1 Update # 4" to get the module coded.
WARRANTY INFORMATION
For information only.
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.