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Home >> BMW >> 2009 >> 335d >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Diesel Auxiliary Systems - Overview >> Diesel Auxiliary Systems >> Glow-plug System >> Emergency Heating
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Emergency Heating

Emergency heating is triggered for 3 minutes in the event of communication between the DDE control unit and heating control unit failing for more than 1 second.

The heating control unit then uses safe values so as to prevent damage to the heating system.

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