I have never managed to get one out in one piece
I usually use a drill bit slightly smaller than the sensor and add tape for the depth, once the main bits of the sensor is out of the way you can then use a small screwdriver to lever the remains out. - Be carefull and take your time and it will be fine
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'Marmite' Possibly one of the most famous 75 tourers produced! left the production line as the last of only Three Rover 75 tourers produced in Trophy Yellow. 48 hours later Longbridge closed. The last sold ordered 75 Tourer. Paid for by the Phoenix Four and handed over by John Towers to the Warwickshire Northampton Air ambulance service as a Rapid Response vehicle