BMW TSB #B540217
2015 BMW M4
Affected Component: ELECTRICAL SYSTEM
- Summary
- SERVICE ACTION: IMPLAUSIBLE SENSOR SIGNALS IN CONVERTIBLE ROOF SYSTEM. Signals from sensors in luggage compartment are being misinterpreted by the convertible top control module (CVM). This may lead to failure of the system to detect obstructions and cause damage to the hydraulics. Software error in the CVM.