2002 bmw 325i engine code p1619 what is the cause

Question

car will run good for about 40 miles than konks out but if you let it cool down it starts and runs good again for afew more miles

Answer 1

P1619 MAP cooling control circuit signal low

With this code the condition this may just not be the MAP of the cooling system. The operation of the cooing fan has to be checked, When the engine is warmed and the engine is off, checked the operation of the cooling fan by spinning the cooling fan there should be some resistance if none replace the radiator clutch cooling fan as well as the thermostat