Checking heater hose for proper installation
BMW technical service bulletin B640919 for 2020 BMW X3 and 2020 BMW X4.
- Bulletin number
- B640919
- Component
- Equipment
- Summary
- SERVICE ACTION: CHECKING HEATER HOSE FOR PROPER INSTALLATION: The installation area between the heater return hose and the drive belt is very limited. If the hose is not secured properly this could cause contact with the drive belt. Limited space between the heater hose and the drive belt along with possible incorrect clip installation.
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