Cooper Convertible (R57) L4-1.6L (N12) (2009)
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Screw special tool 11 0 222 by hand into spark plug thread and connect special tool 11 0 224.
Use adapter lead (1) if the compression pressure is being checked with the BMW diagnosis system.
Depress accelerator pedal and actuate starter until compression pressure stops rising.
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Nominal values, compression pressure
Assemble engine
Now clear the fault memory.
