my p38 auto2.5d seems to take a few miles to warm up, very slow to change gears and low on power, is this normal?
also sport mode button, does it even work on a diesel p38 auto? mine seems not to and no light change beside button, any ideas?
god I love this motor, only thing with more faults than the wife! lol
 
It'll never be great with a stone cold engine but checking the quantity and quality of your gearbox oil is a good start.
An old gearbox filter won't help either.
 

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