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jgold47 · #3 02-25-2014, 02:01 PM

an update for those searching.

The spindle nut that holds the linkage to the motor had worked itself loose. I'll chalk that up to the design from BMW (this is a known issue) and the fact that I cleared about 2" of wet snow off the window.

I replaced the nut with a lockwasher (mine didn't have), and some blue thread lock, so I should be good. I had to reset the linkage position using the instructions available on this website (remove linkage, reset wiper by pulsing once, separate linkage, connect and tighten, then re-attach linkage).

I also realized looking at pictures of other peoples windshields that my passenger wiper arm was way out of wack. this was a little disconcerting, as I don't think that's really possible short of removing the wiper arm and reposition it, but I did that and repositioned it in the correct location and gave everything a good snugging up (which also effects the pressure on the window I realized....so check yours).

I used a 13mm on the spindle nut, a 17mm on the wiper arm nut, and I think a 10mm on the plate that holds the linkage to the motor assembley which is the other place the nuts back off, although mine were fine.

Hope that helps.

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