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Home >> Mini >> 2008 >> Cooper Base, 2D Convertible, Automatic CVT >> Repair and Diagnosis (Single Page) >> Restraints >> Restraints Control Systems >> Multiple Restraint System 4 - Overview >> MINI Multiple Restraint System 4 >> Multiple Restraint System (MRS 4) >> Principle of Operation >> Rear Impact
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Rear Impact

The control unit detects the direction of impact, and if the impact exceeds the rear impact trigger threshold both front seat belt pre-tensioners and the BST are activated.