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Old 12-30-2012, 05:38 PM   #22
Registered User
Join Date: Aug 2010
Location: Annapolis
Posts: 3
My Ride: 13 E92 M3, 11 E92 M3
Thanks for this DIY. I am following it in approximation for an M3.

Just wanted to share my experience with trying to take the pump apart. I tried the pry method with a thin screwdriver, no luck. After about an hour of trying I smashed the **** out of it with a hammer. My logic being if I couldn't get it open to repair it I might as well see what it looked like inside.

The motor turned out to be completely rusted out and bound up; but after a bit of jimmying I got the armature free. So I could have fixed it.

You will need to vice clamps that you can twist separately with a lot of forced to properly get this thing apart if it is seized. Prying will probably not work like it did for the OP.
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