>diyanich

As much as it's possible that the valley pan is still causing the leak, there are several heater hoses between the back of the motor and the firewall that are prone to failure. Some are a royal pita to change, so it's possible many owners don't address them as normal maintence. I just had one fail on my X this week, (one that goes from the back of the engine all the way around to the front). Quite a bitch to change.

These hoses at the back of the motor should definitely be ruled out as a source of coolant leaking onto the transmission before pulling the intake manifold off.

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2014 BMW 328i Xdrive
2011 BMW 335i M-Sport
2008 BMW X5 4.8i Sport
2000 BMW 528i 5sp