Replace Blower Motor Regulator
BMW technical service bulletin 640713 for 2012-2015 BMW 328I, 2012-2015 BMW 335I and 2014-2015 BMW 328D and others.
- Bulletin number
- 640713
- Component
- Visibility: defroster/defogger/HVAC system: fan/motor
- Summary
- Service Action: Replace Blower Motor Regulator. The blower motor regulator has an internal fault; after starting the engine, there may be a delay of up to a minute before the blower motor comes on CAUSE Faulty blower motor regulator (output stage)
Owners of these vehicles have filed 15 complaints in the visibility category.
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