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Home >> BMW >> 2012 >> 335xi Automatic Trans >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Restraint System - Functional Description - E92 >> Restraints Systems - Functional Description >> Seat Belt Extender >> Blocking protection, overheating protection
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Blocking protection, overheating protection

As blocking protection on extending, the belt hand-over reverses 20 mm if it encounters an obstacle. The Hall sensor in the drive runs the blockage identification of the belt hand-over.

The front section of the belt hand-over folds back mechanically on retraction to provide blocking protection. The drive of the belt hand-over has overheating protection. After activation of the drive a number of times, the overheating protection is activated.