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Thread: Front window keeps hitting top of convertible top

  1. #1
    Join Date
    Sep 2016
    Location
    Naples, FL USA
    Posts
    6
    My Cars
    1990 325i convertible

    Front window keeps hitting top of convertible top

    My 1990 325i has a newer top that the PO installed. However the windows on both sides keeps hitting the top of the convertible. The driver side is worse since it also hits the rear window trim (see the shiny spot in the picture). Yes I can roll the windows down and then roll them up or just lift the edge of the top and push the door closed. My biggest fear is I will forget to do that and it will rain!

    I've removed the door card and I see the parallel and height adjustment screws. I've read a few other posts and they several people have mentioned an angle adjustment. Where are those screws? I found a pic of a door on mye30journey and he labels the parallel and height adjustment screws. Where are the angle adjustment screws?

    Also, any recommendation on what to lube the scissor tracks with? One post mentioned crc dry lube for the tracks but what about the big gear? Should I use dielectric grease (another recommendation)?

    Ideally somebody has a video showing the adjusting and how what it took to line it up.

    Thanks!
    Attached Images Attached Images

  2. #2
    Join Date
    Sep 2014
    Location
    KS
    Posts
    1,360
    My Cars
    e24e30e36e39e90
    Make sure not to back the adjusting screws all the way out of the brackets, just loosen them enough that you can move the window around for adjustment.


    Last edited by sienayr; 04-08-2018 at 10:50 AM.

  3. #3
    Join Date
    Apr 2015
    Location
    Toronto
    Posts
    492
    My Cars
    e30s
    This is a common problem when a new top is installed. it is inherent in all bmw e30's cab. you might be able to adjust the window to accomodate this problem but most likely not. The other thing to consider is adjusting the roof frame from the 3 bolts under the tonneu cover. 3 on either side. You can tilt up or down forward or back with the shims that are there. this is what happens when a new top is put on in almost all cases.

  4. #4
    Join Date
    Mar 2018
    Location
    Saint Cloud, FL
    Posts
    53
    My Cars
    1990 325i convertible
    My 1990 is doing the exact same thing on the passenger side.

  5. #5
    Join Date
    Apr 2015
    Location
    Toronto
    Posts
    492
    My Cars
    e30s
    I have a rear plastic window protector cover..any of you have one?

  6. #6
    Join Date
    Mar 2018
    Location
    Saint Cloud, FL
    Posts
    53
    My Cars
    1990 325i convertible
    Quote Originally Posted by Ceekers View Post
    I have a rear plastic window protector cover..any of you have one?
    Do you put it over the rear window when you fold the top?

  7. #7
    Join Date
    Dec 2012
    Location
    Grandview, MO
    Posts
    493
    My Cars
    1989 Bmw325IC
    When I fold the top, I place a cotton towel on the plastic window.

  8. #8
    Join Date
    Mar 2018
    Location
    Saint Cloud, FL
    Posts
    53
    My Cars
    1990 325i convertible
    Quote Originally Posted by aaverhulst View Post
    When I fold the top, I place a cotton towel on the plastic window.
    When I bought my vert that's what the seller recommended.

  9. #9
    Join Date
    Sep 2010
    Location
    Atlanta, GA
    Posts
    255
    My Cars
    1987 325ic
    Quote Originally Posted by aaverhulst View Post
    When I fold the top, I place a cotton towel on the plastic window.
    I use one of those big waffle weave microfiber towels they sell for drying your car on mine. Still clear after 8 years of ownership.

  10. #10
    Join Date
    Sep 2016
    Location
    Texas
    Posts
    60
    My Cars
    '92 BMW 318i Convertible
    I would adjust the top, not the windows. There are two screws in the frame near the plastic window (one on each side) that can be adjusted easily with no disassembly. It can raise and lower the roof of top as needed. If that doesn't work you'd have to mess with adjusting the height of the frame where it bolts into chassis (uses shims for spacing), but that's a real pain and may make things worse if you don't know what you're doing.
    '92 318i Cabrio- Alpine White

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