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mfromani mfromani is offline
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Posts: 19
Join Date: Oct 2018
Car: E93
Default 04-14-2019, 09:58 PM

Quote:
Originally Posted by mishmosh
Re: 387F. With the car off in a quiet garage. Listen for a humming noise. You might have the dreaded waterpump problem where the waterpump is on with the car off. The fix is to reroute power for the JB4.
Mishmosh

Thanks - not sure if I completely understand. When you say "the car is off" do you mean no key / fob in the car? I do hear a high pitched whine with power on the car but engine not running. I don't think it's the water pump tho, seems more towards the top of the engine, not the bottom.

Where to reroute power? JB4 installed as per the directions.
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