Hi Guys,

When stone cold after overnight sitting in the garage my X start leaking coolant for few first minutes of idling.After it warms up,no leaks.
Puddle is right under the engine and all the protective shield is in drops coming from all the orifices it has.
What would it be?
What's interesting,it leaks when there's no pressure in the cooling system,awkward.

Thanks.

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e53 '00 4.4i Oxford Green II Freshly rebuilt tranny(2nd one) and transfer case/front shaft
e70 '08 3.0si Sapphire Black cinnamon leather 7 seats
e61 '06 530XI Sports Touring Silver - SOLD