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E90 Multiple Restraint System 5
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System Components
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MRS 5 Control Unit
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Connector
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MRS 5 Control Unit: Connector
The module has been expanded from one to two connectors.
One 26-pin connector is for the cockpit
One 54-pin connector if for the vehicle harness.
Fig 1: Identifying Connector MRS Control Unit
Courtesy of BMW OF NORTH AMERICA, INC.