Mechanics

OIL PRESSURE RELEASE VALVE

2002 BMW 530

Engine problem
2002 BMW 530 6 cyl Two Wheel Drive Manual 80000 miles

I have twice experienced a failure of the oil pressure release valve in sub zero weather. The symptoms are heavy exhaust, loss of oil and in the latest case, engine shutdown. The valve apparently gets stuck in the open position. Any solution other than to refrain from driving in cold temperatures or constantly fearing the failure and another replacement of the valve?
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Jfinn
January 26, 2008.




Lighter viscosity oil

Dr. Hagerty
Jan 31, 2008.


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