S FIRST START DIFFICULT

1984 BMW 633 csi

Tiny

ekralc59

March, 1, 2010 AT 7:26 AM

Engine Performance problem
1984 BMW 633 csi s 6 cyl Two Wheel Drive Manual 150000 miles

I am having trouble to start car when it sits over night it takes three to four extended cranks to start, once it startes it runs fine and starts normally after the first start.

FOUND 3593 RELATED QUESTIONS

1991 Hard To Start

41 ANSWERS
4 IMAGES

Engine Does Not Stay Running

33 ANSWERS
8 IMAGES

1 Answer

Tiny

Dr. Hagerty

March, 1, 2010 AT 10:31 AM

The cold start circuit is possibly not working. It is composed of a cold start valve and a thermal/time switch that is in the thermostat housing. Guessing from cyberspace would be starting with the switch, they are usually the easiest to eliminate from the equation. If bypassing the switch allows power to reach the cold start valve, the repair is quite straight forward.

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