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Old 09-18-2017, 04:21 PM
Zulfiqar Zulfiqar is offline
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Join Date: Nov 2010
Location: TX
Posts: 3,978
this problem is caused by the evap vent valve on the rear of the car, its in open state when the engine is not running and allows air to pass as the tank fills up
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2012 BMW X5 (Beef + Granite suspension model)

1995 E300D - The original humming machine (consumed by Flood 2017)
2000 E320 - The evolution (consumed by flood 2017)
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