Removal & Installation (M Coupe & M Roadster)
Remove radio from center console. Disconnect A/C-heater controls and press into center console. Remove retainer of appropriate gauge. See Fig 1 . Pull gauge out through front of center console. Mark wiring for installation reference. Disconnect wiring connectors and remove gauge. To install, reverse removal procedure. Route wiring through retainer with threaded end of retainer positioned farthest from gauge.