Check a VIN

February 11, 2025 Service bulletin

There is coolant leaking from under the car Low heater output Possible Check Control message “Drive, you...

BMW technical service bulletin B170124 for 2021-2024 BMW Ix, 2022-2024 BMW I4 and 2023-2024 BMW I7 and others.

Bulletin number
B170124
Component
Engine
Summary
There is coolant leaking from under the car Low heater output Possible Check Control message “Drive, you can continue driving” (ID49) Possible fault codes stored in these BEV vehicles: 224163 – Electric auxiliary heater for the high-voltage battery unit: Undervoltage or internal communication fault 8049AA - Coolant level sensor, expansion tank: Coolant level low or short circuit to ground or line disconnection 80124F – Electric auxiliary heater: Communication in electric auxiliary heater faulty 224F60 - Coolant level sensor, expansion tank: Coolant level low or short circuit to ground or line disconnection 224111 - Cooling system for power electronics: Coolant loss detected 224107 - Cooling system for high-voltage battery unit, component protection: Detection of coolant loss

Owners of these vehicles have filed 13 complaints in the engine category.

Vehicles covered

VIN decoder

See the problems and recalls for an exact car

Buying a used BMW Ix?

Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.

Check its history