Update: I put the new regulator in yesterday and it fixed the problem. Although nothing was broken, I noticed the original regulator's cables were stretched and didn't have the same tension as the new one. I suppose this is the reason the window wasn't dropping enough.
After paying more attention to how much they drop, I'm noticing the passenger side (original regulator) is also not dropping as much as it should. I'll probably end up changing that one as well.
Side note: That plastic screw under the door panel armrest is completely useless, strips and doesn't back out!
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Present:
'08 e90 335i, '00 986 S
Past:
'99.5 B5 A4 1.8tqms, '02 e46 m3 convertible
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