Noise from Heating and Air Conditioner
BMW technical service bulletin 640114 for 2012-2015 BMW 335I, 2014-2015 BMW 428I and 2014-2015 BMW 435I and others.
- Bulletin number
- 640114
- Component
- Equipment: appliance: air conditioner
- Summary
- Noise from Heating and Air Conditioner. There is an intermittent whirring noise from the IHKA system when the engine is under load between 2,000 and 3,000 rpm, and sometimes at approximately 5,000 rpm. CAUSE Vibrations from the A/C low-pressure hose are resonating into the heating and air conditioning system.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used BMW 335I?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history