ok sensor I is located at the right of the top side oil filter, and sensor II is located to the very front right corner of the engine, they should just turn out like a bolt, diconnect the wires first of course and then tunr them out and replace then, make sure to put anti seize on the threads when installing new ones, reconnect wires and test again.
bmw 320 diesel all lights come on turns sounds fine but wont start but does after several goes new...
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bmw 320 diesel all lights come on turns sounds fine but wont start but does after several goes new fuel fiter fitted