I hate to bump a semi-old thread like this, but has anyone else had luck getting their ECU replaced?
I just bought my 370 a couple of weeks ago, and noticed the high pitch noise this past week. A quick Google search found this thread and a few others, and I'm fairly certain my car has the same problem.
I've got an appointment next week to check out my hatch springs, so I'll probably bring up the high pitch whine then too. Any advice for bringing this up? As in, should I go ahead and tell them what I've read online about ECUs with B serials, or just play dumb and see what they say?
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