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 MANUALSBMW2001330CI CONVERTIBLE (E46) L6-3.0L (M54)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSENGINE CONTROL MODULE - MS 43 REMOVAL PRECAUTIONS
2001 BMW 330Ci Convertible (E46) L6-3.0L (M54)
Engine Control Module - MS 43 Removal Precautions
2001 BMW 330Ci Convertible (E46) L6-3.0L (M54)SECTION Engine Control Module - MS 43 Removal Precautions
Group 24
Automatic Transmission
Bulletin Number
24 10 00
Woodcliff Lake, NJ
October 2000
Service Engineering
This bulletin is also issued in Group 12 (Engine Electrical), S.I. 12 11 00, the contents of which are identical
SUBJECT
MS43 DME Removal Precautions - EGS Failure Avoidance
MODEL
All with MS43 control unit
SITUATION
The MS43 control module may stay "alive" after the key is off, due to the DM-TL test.
If the following procedure is not followed, irreparable damage to the EGS control module will occur
PROCEDURE
1. Always verify that the ignition key is in the "off" position before disconnecting the DME.
2. Allow, at least, 3 minutes to elapse, after the key was set to the "OFF" position before disconnecting the DME. This will allow for sufficient time to complete the DM-TL test.
WARRANTY INFORMATION: For information only
Automatic Transmission
Bulletin Number
24 10 00
Woodcliff Lake, NJ
October 2000
Service Engineering
This bulletin is also issued in Group 12 (Engine Electrical), S.I. 12 11 00, the contents of which are identical
SUBJECT
MS43 DME Removal Precautions - EGS Failure Avoidance
MODEL
All with MS43 control unit
SITUATION
The MS43 control module may stay "alive" after the key is off, due to the DM-TL test.
If the following procedure is not followed, irreparable damage to the EGS control module will occur
PROCEDURE
1. Always verify that the ignition key is in the "off" position before disconnecting the DME.
2. Allow, at least, 3 minutes to elapse, after the key was set to the "OFF" position before disconnecting the DME. This will allow for sufficient time to complete the DM-TL test.
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.