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Home >> BMW >> 2013 >> 135is 2D Convertible, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P0234 (BMW DTC 120208) Through DTC P10F6 (BMW DTC 135B12) >> DTC P1050; BMW DTC 133208: Valvetronic servomotor, activation: open circuit >> Fault effect and breakdown warning

Fault effect and breakdown warning

Breakdown notice:

Continued driving is usually not possible.

Possible apparent symptoms:

If the malfunction occurs while the VVT system is not at its maximum stroke position, the engine stalls/vehicle breaks down. Engine will not restart, as the VVT driver circuit is deactivated and the VVT system reverts to minimum stroke. If the fault occurs at maximum stroke, unrestricted throttled operation is possible.