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BMW 3-Series (E90 E92) Forum > BMW E90/E92/E93 3-series General Forums > Regional Forums > USA - Mid-Atlantic > My e90 is dead

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      12-24-2021, 05:10 PM   #1

Drives: 2007 BMW 328xi
Join Date: Dec 2021
Location: Blacksburg, VA, USA

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My e90 is dead

Put a water pump and thermostat in about six months ago. Attempted to replace oil sensor; new one also wonít function. Mechanic suggested a possible BSD issue. Fast forward six months, break down on the side of the road with a non functional water pump. Lots of codes shown: 2E97, 2E84, 2E8E, 2E81, 2E98, 2E8B, 2A15, 2DED, 578E, 5F45, 5ED2. Off brand water pump so itís feasible that it needs replaced again, but those codes include a water pump communication fault, an IBS comm fault, and an oil stage comm fault, so itís sounding like a systemic electrical issue. Car still starts and runs, but water pump will not run. Any insight at all would be appreciated; until then Iíve got a dead bmw.

Thanks and happy holidays to all,

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      12-24-2021, 07:04 PM   #2
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Drives: 2011 BMW 335xi
Join Date: Nov 2019
Location: Nashville, TN, USA

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If you can replace the water pump yourself I would try that with OEM and save some money. These water pumps are electric so could be bad hardware.
2011 BMW 335i xDrive E92 N55 Alpine White\M-Sport /BMS CAF/VRSF 5" FMIC/VRSF CP/VRSF Catted DP/NGK 1-Step Colder Plugs//MHD Stage 2+
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