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Home >> BMW >> 2011 >> 335xi 4D Sedan, Standard >> Repair and Diagnosis >> Restraints >> Restraints Control Systems >> Restraint System - Functional Description -- E90 >> Restraints System - Functional Description >> Roll-Over Protection System >> Note

Roll-Over Protection System: Note

All work on the airbag must only be conducted with the battery disconnected!Connect and disconnect airbag control unit, sensors and gas generators only with the battery disconnected!  The airbag control unit contains vehicle-specific data and must therefore be encoded before placing into operation! Removal and installation in other vehicles is prohibited!