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99-9303 BMW Z4 2003-2008 Disconnect the negative battery terminal to prevent an accidental short circuit. NOTE: Make sure the vent on/off dials are in the middle position. Using a small flat blade screwdriver, release the metal clip located inside the vents facing upward on the left and right side while pulling the vents outward from the dash.
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99-9303 DIN HEAD UNIT PROVISION NOTE: The bottom bar connecting the two sides of the 99-9303 will need to be cut and (Figure A) removed prior to Kit Assembly. Screw the 99-9303 housing into the dash opening instead of the factory (Figure B) radio.
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99-9303 Locate the factory wiring harness in the dash. Metra recommends using the proper mating adapter and making the connections as shown. (Isolate and individually tape off the ends of any unused wires to prevent electrical short circuit) Re-connect the negative battery terminal and test the unit for proper operation.