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Old 08-02-2012, 04:46 AM
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Fudman Fudman is offline
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Location: Sudbury, MA
Join Date: Apr 2007
Posts: 6,825
Mein Auto: '02 530i Sport auto
Given your symptoms, it suggests the loss of fuel line pressure is the reason. Once your car starts, it continues to start easily through the day. However, whenever it sits, the next start is often difficult and sometimes impossible. This suggests that the fuel line pressure is bleeding off when you car is sitting for an extended period of time. I would look at the fuel pump first and then forward.
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