the fault code for internal control unit fault is more suspect to me than a pinched wire. Pinched or broken wires would set a currently present fault for the affected circuit. Each firing circuit is wired to the SRS by itself and doesn't set faults in other circuits. The common item is the SRS unit. I have replaced too many too count SRS units for that internal fault and all the other faults are just set because the SRS is freaking out for a second. Could be just bad timing for the SRS unit to do that during the door repair

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2004 X5 4.8is Estoril Blue
55,000miles as of 8-27-12
MagnaFlow Exhaust
4.6is 20" wheels