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General E46 Forum
This is the place to get answers, opinions and everything you need related to your E46 (sedan, coupe, convertible and wagon) BMW!

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Old 09-25-2016, 03:40 PM   #1
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Join Date: Sep 2015
Location: Los Angeles
Posts: 30
My Ride: 330ci
Coupe Window Regulator Motor Spindle/Gear Not Aligning

So after a long 2 hours in 100 degree SoCal weather of trying to fit this thing, I finally gave up.

My question is, are you supposed to put the window motor in the window regulator before you put it back in your door?

For the life of me, I cant seem to fit it. My old window regulator spindle is perfectly aligned and my new one is off by about 2mm and there is a lot of tension on it. There is so much tension, I can't even put a stubby screwdriver through the back of the hole and pry it to align it as I'm fitting the motor in without the window motor spindle slipping.

Does anybody have any tips or tricks to get this thing aligned? Im on the urge of just using a dremel to open the hole.

Pic of the old broken regulator with an aligned hole:
screen capture freeware

Pic of the New Misaligned one:

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Old 09-25-2016, 04:57 PM   #2
Registered User
Join Date: Sep 2015
Location: Los Angeles
Posts: 30
My Ride: 330ci

Fixed it. The inner edge that was sticking out, I sanded at about a 2mm angle with a dremel and put some grease on it so when I push the window motor in, the metal dowell would just slide into place instead of getting jammed. Didn't want to take the mickey mouse route but I doubt I ruined the structural integrity of the window regulator spindle housing.

Keep this in mind if you are changing the regulator with an aftermarket one an E46 Coupe and the spindle doesnt align. Lol

Last edited by R083RT; 09-25-2016 at 04:58 PM.
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