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      02-21-2013, 07:52 PM   #14
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Drives: 13 335i Sedan, 11 128i Cabrio
Join Date: Apr 2010
Location: Leland, NC

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Yeah, that's right, I forgot about Stett's "remote" thermostat over on the right side of the engine compartment. I'd check those fittings that go from the thermostat to the cooler itself. If it's a slow ooze, it's likely a fitting. Even a pinhole leak in the hose would cause a lot of oil to drip down onto the underpan and eventually onto the floor.

2013 F30 335i M-Sport 8AT/MPE/MPPK, 2011 128i M-sport Cabrio 6MT/PE
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