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 MANUALSBMW2006330CI COUPE (E46) L6-3.0L (M54)REPAIR AND DIAGNOSISTECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSCOOLING SYSTEM - PROPER COOLING SYSTEM SERVICE PROCEDURE
2006 BMW 330Ci Coupe (E46) L6-3.0L (M54)
Cooling System - Proper Cooling System Service Procedure
2006 BMW 330Ci Coupe (E46) L6-3.0L (M54)SECTION Cooling System - Proper Cooling System Service Procedure
SI B 17 01 10
Cooling System
March 2010
Technical Service
SUBJECT
Proper Evacuation and/or Filling of Cooling System after Repairs
MODEL
All
SITUATION
It can no longer be assured that all air is bled from a modern cooling system after it has been opened for repairs. This can result in poor performance of the cooling system and also erratic operation of systems utilizing cooling system temperature values. A special tool has been developed that ensures complete evacuation of all air in the system prior to filling, and also validates if the system is free of leaks prior to filling with coolant.
PROCEDURE
The Coolant Vacuum Charger tool P/N 81 39 2 152 470 (SI B04 34 08) must be used after completing major cooling systems repairs, or when the cooling system is drained and needs to be refilled with fresh coolant. Repair instructions for operating the vacuum charge unit are in the attachment below.
WARRANTY INFORMATION
For information only
ATTACHMENTS
Attachment - B170110_RA_17_00_039.
Cooling System
March 2010
Technical Service
SUBJECT
Proper Evacuation and/or Filling of Cooling System after Repairs
MODEL
All
SITUATION
It can no longer be assured that all air is bled from a modern cooling system after it has been opened for repairs. This can result in poor performance of the cooling system and also erratic operation of systems utilizing cooling system temperature values. A special tool has been developed that ensures complete evacuation of all air in the system prior to filling, and also validates if the system is free of leaks prior to filling with coolant.
PROCEDURE
The Coolant Vacuum Charger tool P/N 81 39 2 152 470 (SI B04 34 08) must be used after completing major cooling systems repairs, or when the cooling system is drained and needs to be refilled with fresh coolant. Repair instructions for operating the vacuum charge unit are in the attachment below.
WARRANTY INFORMATION
For information only
ATTACHMENTS
Attachment - B170110_RA_17_00_039.
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.