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      03-06-2013, 08:04 PM   #4
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Drives: Black E90
Join Date: May 2011
Location: San Jose, ca

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E90 Water pump electronics

Originally Posted by sibhusky View Post
Good job, You can obviously see the DC motor and its stator windings inside which look in great shape. I would suspect that given its a DC motor that the fets that drive the motor fail from heat due to high switching currents and high engine temps. I wanted to take one apart in a relatives car but realized the electronics are probably potted or coated so its a moot point.
** If we can find out what kind of Fets drive the motor, it would be a big saving.
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